However the molecular geometry of CS2 looks linear-shaped and has no lone pairs of electrons on the carbon of the CS2 geometry. Three Electron Pairs (Trigonal Planar) The basic geometry for a molecule containing a central atom with three pairs of electrons is trigonal planar. Been upvoted: 1 time. Phosgene is acyl chloride. CSe2. When is molecular geometry different from electron geometry? BH 3 is an electron-deficient molecule with a trigonal planar structure. Here we will provide. The Lewis structure is the primary source to begin the study of any chemical element and the reason behind its behavior during the formation of a bond. The number of lone electron pairs in the ClO ion is A) 3 B) 4 C) 6 . 4 Spectral Information Expand this section. The electron-pair geometry around the C atom in CSe2 is There are lone pair (s) around the central atom, so the geometry of CSez is 17. Posted at 0243h in Uncategorized by. The Lewis dot structure is the starting point to understand the behavior of a compound at the molecule level. around the world. Top. Free Radicals 1 pts 2reg A. Question Specify the names and colors of the precipitates formed on mixing the following solutions a) Barium nitrate and . Carbon disulfide, CS2, will have a total of 16 valence electrons, 4 from the carbon atom and 6 from each of the two sulfur atoms. Molecular shapes are predicted using the valence shell electron pair . The central carbon atom will form double bonds with the two sulfur atoms. The electron-pair geometry around the C atom in CS2 is There are one s) aro B. Solution for 1. . octahedral, 1 lone pairs, square pyramidal. What is electron pair geometry? Polarity in Carbon Diselenide (CSe2) It is a known fact that molecules which are arranged linearly are always nonpolar in nature. The electron-pair geometry is octahedral, the molecular geometry is tetrahedral Use the electron-pair repulsion model to predict the geometry of the following molecules: a. GeCl_2. Phosgene is a colorless gaseous compound known as carbonyl chloride and has a molecular weight of 98.92 gram/mol. For SO2, the number of valence electrons of the S atom = 6 and the number of. Polarity is a behavior with which a molecule attracts a shared pair of electrons. C2H2 Lewis Structure, Molecular Geometry - Techiescientist Now have a look of Lewis Structure again; When we draw it, firstly we get the three structures at the top. And because this we can say, OK, so this is one electron pair. The AXE formula tells you how many regions of electron density there are, which ones are specifically bonding pairs, and which ones are lone pairs. What is the electron-pair geometry for C in CSe2. Molar mass of sulfur dioxide = 64.066 g/mol. Chat with a Tutor. So, we have a carbon atom. The electronic geometry about the carbon atom is: tetrahedral The orbital hybridization about the carbon atom is: sp^3 The molecular geometry about the . It is because of the linear geometry that cancels out the overall dipole moment on the molecule. It is because the central atom needs to undergo a maximum number of bond formations. Polarity in Carbon Diselenide CSe2 It is a known fact that molecules which are arranged linearly are always nonpolar in nature. CSe2 carbon dislenide would have the same molecular geometry as CO2 carbon dioxide . See graphic on middle left. b. Let me explain. This makes SO2 a polar molecule like H2S. Publisher: Cengage Learning. What is the electron-pair geometry around the C atom in. Lone pair electrons of central atom: 2 pairs (4 electrons total) Molecular Shape of SH 2 (Answer): BENT . The sigma bond is head-on overlapping whereas the pi bond is lateral overlapping. The formula for finding hybridization of any compound is; By the same token H = 5, its Sp4 hybridization. And because this we can say, OK, so this is one electron pair. Here in CO2, both Oxygen atoms form sigma bonds with the central carbon atom and complete their octet. To understand the bond formation and its type It is essential to know the type of bonding in the molecule to understand its hybridization. Draw a skeleton structure in which the other atoms are single-bonded to the central atom a "C" atom with four "Cl" atoms attached to it. It is known that the formation of a bond takes place when the valence electrons of the participating atoms come in contact with one another. Posts: 32. . All have four pairs of electrons about the central atom C N O or F. Thus its hybridization has two hybrid orbitals making it an sp hybridization. 1 Structures Expand this section. . The electron geomet. Step 3: Find the central atom to begin drawing the structure: As . Nonpolar molecules are those where no separation of charge takes place within the participating atoms. These two sets of parallel and adjacent p orbitals can . a. CSe 2 b. If the gas is cooled at constant pressure until its volume is 595 mL, the temperature of the gas sample will be C. It causes a repulsion of electron pairs to form the 120-degree angle. View Lewis Structure Quiz.pdf from CHEM MISC at Colorado State University, Fort Collins. CCl4, H2S, CO2, BCl3, Cl2. Dates: Modify . The lone pairs are not shown. Page 6 of 9 Of course, there will always be some nonzero formal charges on atoms in the ion because it is an ion. And we want to know both the electron geometry and the molecular geometry. Two elements are participating to produce one carbon diselenide molecule. Chem - Molecular Shape (Molecular Geometry) | Scientific Tutor And because this we can say, OK, so this is one electron pair. Sulfur dioxide molecule has two double bonds between the Sulfur atom and Oxygen atoms. August 4, 2020. The Lewis diagram for BH2 is: H-B-H The electron-pair geometry around the B atom in BH2 is There are lone pair (s) around the central atom, so the geometry of BH2 is B. Formai Charge 1 pts 2reg 18. No dipole. There are ______ lone pair(s) around the central atom, so the molecular geometry (shape) of BrF5 is ____. It is desired to inflate a baggie with a volume of 872 milliliters by filling it with nitrogen gas at a pressure of 0.631 atm and a temperature of 299 K. How many grams of N2 gas are needed? conduct electricity. Formula: PF_3 P F 3 2. Step 3: Explanation. We want to identify the electron pair geometry for each of these substances that were given. 2 CaSO4 + 2SiO2 + C > 2CaSiO3 + 2SO2 + CO2. It is this dipole cloud that is responsible to accept shared pair of electrons. View Answer. CO2 molecular geometry or shape (a) XeF 4 adopts an octahedral arrangement with two lone pairs (red lines) and four bonds in the electron-pair geometry. This is because carbon has four valence electrons forming four bonds and in a three-dimensional space, a tetrahedral shape allows for the bonded electrons to be furthest away from each other. smallest separation of charge and negative signs are associated with most electronegative elements. We are not permitting internet traffic to Byjus website from countries within European Union at this time. CSe2 has Lewis structure like this: Se=C=Se (here are valence e- around the Se too, but no need to worry about these), Since it is considered that there are 2 bonds the shape would be linear.. Formal charge = (# valence electrons) - (# lone pair electrons) - 1/2(# bonding electrons). 2003-2023 Chegg Inc. All rights reserved. The best place to start when trying to figure out a molecule's geometry is its Lewis structure. SOLVED: Specify the electron-pair and molecular geometry for each Since there are 5 total areas of electron density, the electron geometry is trigonal bipyramidal. Describe the hybrid orbital set used by the central atom in each molecule or ion. Let us help you simplify your studying. The molecular orbital diagram of SO2 is attached below: A molecular orbital diagram gives us an idea about how the atomic orbitals of two different atoms can fuse and give rise to a new orbital. CO2 has 2 electron domains, resulting in a linear electron domain geometry. A quick edge for you, when 1 s orbital unites with 2 p orbitals it derives in Sp2 hybridization having 3 equivalent orbitals. How can I draw the Lewis dot structure for BeF2? Lewis structures, also known as electron-dot or electron-dot diagrams, are diagrams showing the bonding between a molecule's atoms and the lone pairs of electrons that may occur in the molecule. arrow_forward_ios. Start by drawing its Lewis structure. Specify the electron pair and molecular geometry for each of the following. Molecular Geometry of Carbon Diselenide (CSe2), Hybridization in Carbon Diselenide (CSe2). CSe2 is the molecular formula for Carbon diselenide which is a great solvent for different components used during industrial production. What is the the shape molecular geometry of CSe2. Deer Park Shooting Today, The Lewis diagram for CO2 is: =c= Recall that for predicting geometry, double and triple bonds count as . It is because of the linear geometry that cancels out the overall dipole moment on the molecule. We can see 18 electrons are filled in the orbitals with the proper rule. The next topic we need to know is the hybridization of SO2. In addition, the unbonded electrons on the sulfur and oxygen create repulsion between atoms. who plays zoey in zombies 2; As I3- has one electron, this Ion has a negative charge overall. CSe_2. 120 degrees) with asymmetric charge distribution on the central atom. Total Domains Generic Formula Picture Bonded Atoms Lone Pairs Molecular Shape Electron Geometry Example Hybridi -zation Bond Angles 1 AX We prepared a series of naphthalimide (NI)-carbazole (Cz) compact electron donor-acceptor dyads showing different substitution positions, C-N/C-C linkers, and conformation restriction magnitudes to study the spin-orbit charge transfer intersystem crossing (SOCT-ISC). CSe2 carbon dislenide would have the same molecular geometry as CO2 carbon dioxide . Linear Molecular Geometry Molecular Geometry Chemistry Projects Chemistry It only has our two bonds to oxygen. The molecular Geometry of any compound is based on the arrangement of atoms, electron pairs, and bonds. Another reason can be that the element with the lowest electronegativity value becomes the central atom. The various geometries are shown in the graphic on the upper left. tetrahedral, trigonal pyramidal 300 Name all 5 orbitals. The SO2 has a bond angle of 120-degree. For understanding the hybridization of CS2 molecule, there are two easy methods. So, electron geometry is different from molecular geometry because it considers all the electron pairs (including lone pairs) while determining the shape. 6.3 Molecular Shape | Introductory Chemistry - Lumen Learning Most important factor in determining geometry is the relative repulsion between electron pairs Electron Group Geometry - arrangement of all electron pairs, including both lone pairs(LP's) & bonding pairs (B e 's) Molecular Geometry - 3-Dimensional arrangement of atoms - what you see 65 . Similar is the case with the carbon in carbon diselenide. Name: Lewis Structure Quiz 1. We can easily find out the molecular geometry of any compound using the given chart. Decision: The molecular geometry of SO 2 is bent (approx. c. What is the shape of the molecule / ion? In absence of a lone pair, both the geometries are the same for any compound. Cs2 Molecular Geometry Science Education And Tutorials, Cs2 Molecular Geometry Shape And Bond Angles Carbon Disulfide Youtube, Cs2 Molecular Geometry Shape And Bond Angles Youtube, Cs2 Lewis Structure Hybridization Polarity And Molecular Shape. The central carbon atom will form double bonds with the two sulfur atoms. That will be the least electronegative atom ("C"). In Sulphur Dioxide, As Well As The Two Double Bonds, There Is Also A Lone Pair On The Sulphur. Steps Used to Find the Shape of the Molecule Draw the Lewis Structure. Formai Charge 1 pts 2reg 18. It is non-flammable in nature and bears a suffocating odor. 4 Spectral Information Expand this section. Here cationic and anionic charges will be 0 as its a neutral compound. Describe the difference between electron group geometry and molecular shape/geometry. linear, linear. bonds between sulfur and oxygen. atoms = 0, because oxygen is a divalent atom. Rb+1 Is Isoelectronic With Which Noble Gas, 1. It can be seen as a formula written as SO2. Example: Determine the remaining resonance structures possible for the following compound, CO32-. The valence electrons are those present in the outermost shell of an atom that participates in the bond formation. Thinking about the other 2 electrons of 3p which were not associated with hybridization? e. Is the molecule / ion polar (P) or non polar. For example, in the case of a trigonal planar shape as defined by electron geometry, there are three bonds. Methyl chloride (CH3Cl) has a tetrahedral shape with a bond angle of 109.5 degrees. A molecule has sp3 hybridization with 1 lone pair electron pair geometry: geometry: bond angle: electron: tetrahedral geometry: trigonal bond angle: 109.5. what is the hybridization of the central atom in BeBr2? Polar. These electron pairs can be either bonding electrons or non-bonding electrons. In methane, ammonia, water and hydrogen fluoride, the electron pair geometry is tetrahedral. Draw the Lewis structure Step 4: Type of bond-forming in carbon diselenide (CSe2) molecule It is a double bond between each selenium and carbon atom set. b.. If ans comes 2, it will be (sp), 3(sp2), 4(sp3/dsp2), 5(dsp3), 6(d2sp3. Associate Leaving Dental Practice Letter, Ten Definition Of Education By Nigerian Scholars, Rb+1 Is Isoelectronic With Which Noble Gas, townhomes for rent in paradise valley, az. The bound pairs (two C-S bonds) of electrons to the core carbon atom are represented by X. Draw the Lewis structure and then specify the electron pair and molecular geometries for each of the following molecules or ions. Contents. As discussed earlier CS2 has a linear shape. There's another electron pair, so it has a linear structure and that . Polarity occurs when there is an unequal charge distribution among the participating atom which leaves dipole moment behind on the atom. In water, O has 2 bonds and 2 lone pairs of electrons. When in an excited state, one electron from 3px, motions to 3d orbital. Nonpolar. It is because of the linear geometry that cancels out the overall dipole moment on the molecule. The molecule has a bent shaped geometrical structure because of lone pair and bond pair repulsion as per VSEPR theory due to which there occurs an imbalance in charge distribution across the molecule. Answer in General Chemistry for Brittany Wallace #98922 - Assignment Expert a. e. Each hydrogen atom has the helium configuration 1 s2. It is a part of the commercial production of rubber, cellophane, carbon tetrachloride, and viscose rayon. What is polar and non-polar? Polar. Electrons repel each other. I am breaking down each procedure to make it easy to understand! An explanation of the molecular geometry for the IF6 + ion (Iodide hexafluoride cation) including a description of the IF6 + bond angles. The electron-pair geometries shown in Figure 7.16 describe all regions where electrons are located, bonds as well as lone pairs. arrow_forward. Re: Difference between molecular and electron geometry? about the kind of bonds and the number of bonds that form the compound. Shape of BH2- - CHEMISTRY COMMUNITY : 2021222 : what is the electron pair geometry for c in cse2 . for C in CSe2? And the. View Answer. 2 yr. ago. In SO2, the sulfurs valence electron = 6, There are 2 oxygen atoms in the compound, thus = 6*2 = 12, After drawing the skeletal structure, we can see that none of the atoms can achieve their octet with single bonds. ISBN: 9781285199047. 120 degrees) with asymmetric charge distribution on the central atom. The electron-pair geometry around the P atom in PCl4+ is _tetrahedral___. of CSe2? This situation is not common in carbon diselenide (CSe2) as it is a nonpolar molecule. b. BeBr_2. What is the molecular geometry of CCl4? Draw its VSEPR and - Socratic Ten Definition Of Education By Nigerian Scholars, Screen capture done with Camtasia Studio 4.0. 10.2: VSEPR Theory - The Five Basic Shapes - Home - Chemistry LibreTexts Oxygen helps in combustion while Sulphur is combustible itself. sp^{2}-\text{hybridization}the FOURTH electron on carbon is conceived to parti. what is the electron pair geometry for c in cse2 d. A single covalent bond is for med. The number of valence electrons for boron is 3. ____. We are interested in only the electron densities or domains around atom A. 60113 views It can be studied with the help of the Valence Bond Theory (VBT) which says that atomic orbitals mix and intermix to produce new hybrid orbitals that can pair valence electrons to form new chemical bonds. 2 Names and Identifiers Expand this section. Determine the electron geometry (eg) and molecular geometry - Numerade Answer: For formaldehyde .? The electron-pair geometry of CS2 is linear because the Lewis structure is SCS. The VSEPR theory states that electron pairs located around a certain atom repel each other. With the need to complete all the shells and stabilize themselves, an atom either shares or donates the valence electrons. The nearby valence electrons tend to attract the positive end to create a dipole cloud at one end within an atom. NO2Cl Lewis Structure, Molecular Geometry - Techiescientist Cs2 Lewis Structure Chemistry Worksheets Lewis Electron Configuration Steric Number of CS2 is 2.. Electron pairs are defined as electrons in bonds lone pairs and occasionally a single unpaired electron. It is a part of the commercial production of rubber, cellophane, carbon tetrachloride, and viscose rayon. Decide which atom is the central atom in the structure. Required fields are marked *. b. BeBr_2. There are 5 lone pairs of electrons in the molecule of SO2. At last, dont forget to confirm the formal charge of all the atoms! These two sets of parallel and adjacent p orbitals can . What are the rules of valence shell electron pair repulsion (VSEPR). We are interested in only the electron densities or domains around atom A. The Lewis structure was named after Gilbert N. Lewis, who introduced it in his 1916 article called 'The Atom and the Molecule'. Steps I follow when drawing a Lewis structure for TeO3^2- using the oxidation number -2:: ( ). CSe_2. What Is the Electron-pair Geometry for C in Cs2 The molecular geometry of sulfur dioxide is a bent shape. C) 1 lone pair, square pyramidal D) 1 lone pair, trigonal bipyramidal E) 2 lone pairs, square planar. This electron . Draw a trial structure by putting electron pairs around every atom until each gets an octet. Polar. Recommended textbooks for you. what is the electron pair geometry for c in cse2transportation security administration headquarters address. expand_less. The varied conformation restrictions lead to different dihedral angles between the donor and acceptor (37-81) and . COCl2 is a chemical compound, known by the name 'phosgene'. Exam 3 Review - JeopardyLabs For example, applying this to BH4 we get: The number of valence electrons for boron is 3. I am Savitri,a science enthusiast with a passion to answer all the questions of the universe. . View Answer. Step 1: The number of valence electrons already available in one carbon diselenide molecule It is 16 as four are coming from the carbon atom and 12 are coming from two selenium atoms. Hey there, We are Themes! Molecular structure describes the location of the atoms, not the electrons. 2 yr. ago. The two selenium atoms together cancel out the charge on the carbon atom making the net dipole cloud a zero. You'll get a detailed solution from a subject matter expert that helps you learn core concepts. Lewis Structure of Carbon diselenide (CSe2), Steps to Draw the Lewis structure of carbon diselenide (CSe2). The Lewis diagram for BH2 is: H-B-H The electron-pair geometry around the B atom in BH2 is There are lone pair (s) around the central atom, so the geometry of BH2 is B. 08 Jan what is the electron pair geometry for c in cse2. As a result of the EUs General Data Protection Regulation (GDPR). Now, bromine can use the d-orbitals for hybridization. The remaining #8# valence electrons will be placed as lone pairs, two on each sulfur atom. CSe2. 7.6 Molecular Structure and Polarity - Chemistry 2e | OpenStax The electron-pair geometry around the C atom in CH 3- is ____, and the molecular geometry is ___. Draw a skeleton structure in which the other atoms are single-bonded to the central atom a "C" atom with four "Cl" atoms attached to it. step. The formal charge on the central oxygen atom in H2O is: The electron-pair geometry around the C atom in CSe2 is ____,and the molecular geometry is ____. Here the bond angles form an angle of 180 degrees. 2.If all of the electron groups around a single central atom are bonding, and the same outer atom is bonded . CSe2 - Carbon Diselenide: First draw the Lewis dot structure: Electron geometry: linear. Electron pairs adopt configuration that minimize the electron pair repulsions in the valence shell. TeF4 is a tellurium atom surrounded by 5 areas of electron density - 4 sigma bonds to fluorine atoms and 1 lone pair. sp^{2}-\text{hybridization}the FOURTH electron on carbon is conceived to parti. Now, molecular geometry is determined by the hybridization of the central atom. So carbon has four valence electrons. Draw the correct VSEPR / electron domain geometry for the molecule/ion. To understand the bond formation and its type It is essential to know the type of bonding in the molecule to understand its hybridization. To determine the molecular geometry of a molecule we need to get familiar with a concept called VSEPR theory. (b) Electron pairs in molecules attract one . of valence electrons] [electrons in lone pairs + 1/2 the number of bonding electrons]. Answer: For hybridization we take following steps: Take valence electrons of central atom, add monovalent surrounding atom electrons, if compound has charge then add opposite number of its charge and divide the whole by two. Electron-pair Geometry versus Molecular Structure. What is polar and non-polar? The temperature at which a substance changes from a solid to a liquid. It may surprise you that many groups within the periodic table deviate from this rule. Kenny Rocker Union Pacific Salary, Besides this, though the presence of lone pair of valence electrons does change the hybridization of a molecule, it is not common in symmetrical molecules. Linear Molecular Geometry Molecular Geometry Chemistry Projects Chemistry It only has our two bonds to oxygen. Decide which atom is the central atom in the structure. The basic idea of the VSEPR theory is that: (a) Electron pairs in molecules repel one another and try to stay as far apart as possible. Oxygen has two allotropic forms while Sulphur has 3 allotropic forms. CSe2, carbon dislenide, would have the same molecular geometry as CO2 (carbon dioxide), and that would be linear. Done on a Dell Dimension laptop computer with a Wacom digital tablet (Bamboo). Science Chemistry H :0: A. c) For each shape, how many lone pairs are there on atom A? 1. under what circumstances is the molecular geometry around a single central atom the same as the electron group geometry around the central atom? Before quickly jumping into the lewis structure of SO2, lets have an abrupt discussion regarding the usefulness of the lewis structure and the steps to draw it. In methane, C has four bonds. This means that its steric number will be equal to #2#. The Lewis electron-pair approach can be used to predict the number and types of bonds between the atoms in a substance, and it indicates which atoms have lone pairs of electrons. So, let's start out with the lewis structure. As the hybridization of CS2 is sp hybridization the Carbon atom is in center bonding with two sulfur atoms forms the bond angle of 180 degrees making the molecular geometry of CS2 molecule linear. Let's try some more examples of electron pair and molecular geometry of different molecules. Polar molecules must contain polar bonds due to a difference in electronegativity between the bonded atoms. There Are Two Double Bonds Between Sulfur Atom And Oxygen Atoms In So Molecule. This theory uses the number of electron pairs surrounding the central atom to anticipate the molecular geometry of the molecule. AB n e m # of Electron Regions Electron Geometry # of . Cornell College - This. teacher excused from jury duty letter; what is wrong with super humman. What is the electron-pair geometry around the C atom in. The molecular geometry of sulfur dioxide is a bent shape. Electron geometry describes the arrangement of electron groups. The HO C angle will be compressed somewhat by the nonbonding pairs, so we expect this angle to be slightly less than 109.5 . 35.Give the number of lone pairs around the central atom and the molecular geometry of CBr. That means; SO3 has 24 valence electrons. Figure 8. The portion of the molecule that has both oxygen atoms on it is slightly negatively charged. 2 Names and Identifiers Expand this section. This adds up to the explanation of the molecular orbital diagram of SO2. Oxygen is sparingly soluble in water while Sulphur is not soluble in water. An explanation of the molecular geometry for the IF6 + ion (Iodide hexafluoride cation) including a description of the IF6 + bond angles. Answer: (4) The ICl 2 has sp 3 d-hybridized structure having trigonal bipyramidal shape but due to the presence of lone pair of electron on iodine atom the structure is distorted. Now hybridization of SO2 can be discerned in two ways, one is the theory and the 2nd is straight applying the formula. sp, sp2, sp3, sp3d, sp3d2 300 Using SPECTROSCOPIC notation write the complete electron configuration for the chromium (III) ion. 1. Joined: Thu Feb 22, 2018 11:00 am. This is all that is needed to determine molecular shape. This will be determined by the number of atoms and lone pairs attached to the central atom.If you are trying to find the electron geometry for IF6 + we would expect it to be Octahedral.Helpful Resources: How to Draw Lewis Structures: https://youtu.be/1ZlnzyHahvo Molecular Geometry and VSEPR Explained: https://youtu.be/Moj85zwdULg Molecular Geo App: https://phet.colorado.edu/sims/html/molecule-shapes/latest/molecule-shapes_en.htmlGet more chemistry help at http://www.breslyn.orgDrawing/writing done in InkScape. terminal atoms are fluorine. The number of non-bonded electrons is zero. Draw the Lewis Structure of CSe2 2. To Minimise Repulsions, The Double Bonds And The Lone Pair Get As Far Apart As Possible, And So The Molecule Is Bent. What is the electron pair geometry for ClF5? - Theburningofrome.com [electrons in lone pairs + 1/2 the number of bonding electrons], the relationship between the number of bonding electrons and their. Our Teams are working hard and pushing the boundaries of possibilities to widen the horizon and provide high quality blogger article to all hardworking bloggers! paired orbitals form the lone pair of sulfur. Sulfur dioxide molecule has two double bonds between the Sulfur atom and Oxygen atoms. Sulfur dioxide molecule has two double bonds between the Sulfur atom and Oxygen atoms. in Sp2 hybridization having 3 equivalent orbitals. The molecular geometry of sulfur dioxide is a bent shape. The electron geometry for the Iodide hexafluoride cation is also provided.The ideal bond angle for the Iodide hexafluoride cation is 90 since it has a Octahedral molecular geometry. a) Identify the molecular geometry for each of the shapes. PRACTICE PROBLEMS: Use the electron dot structure (Lewis structure) and the molecular shape table to determine the molecular shape (molecular geometry). The electron-pair geometry around the N atom in NO2 is There are lone pair (s) around the central atom, so the geometry of NO2 is B.