Ammonia (NH3) and silane (SiH,) are small molecules, each of which has four electron pairs in the outer shell of the central atom. Account for the difference in bond angle two molecules, 107.3° in şilane. between the ammonia and 109.5° in

Q: There are three different possible isomers of a dibromoethene molecule, C2H2Br2. One of them has no…

A: Two chemical compounds which have same molecular formula are categorized as isomers. The structure…

Q: The bond angles in the nitrite ion, nitrogen dioxide, and the nitronium ion (NO2 +) are 115o, 134o,…

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Q: How many o and n bonds are present in the molecule CS2 ? the structure of this molecule is shown as…

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Q: For OCS, SO2, and H2O, which has a NET dipole moment? Note: Carbon is less electronegative than…

A: OCS is in linear geometry. In OCS, the atoms attached on either side of the carbon atom are…

Q: Formic acid (HCOOH; structural formula shown below) is secreted by certain species of ants when they…

A: Covalent bond is formed by the sharing of electrons between two elements. This bond can be single…

Q: Which theory have been given to explain shapes of the molecules. On the basis of its various…

A: This question is related to vsepr theory

Q: The electron-pairs geometry around the Si atom in SiCl4 is blank and there are blank lone pairs…

A: In this question, we have to answer the electron-pairs geometry around the Si atom in SiCl4 , lone…

Q: Draw a Lewis Structure and determine the smallest (theoretical) Cl—N—Cl bond angle in NCl3.

A: The compound given is NCl3. The central atom will be less electronegative N.

Q: Draw the Lewis structure of hydronium (H₃O⁺) and then determine its electron domain and molecular…

A: #Formula for calculating the formal charge of atom in molecule ;  F.C. = Valence electrons in atom -…

Q: Draw the best Lewis dot structure for BrO₄⁻, being sure to give the electronic geometry, molecular…

A: Since in Br we have 7 valence electron and in each O we have 6 valence electron And since O is more…

Q: a) Write the steps required to determine t

A: Main postulates of Valence shell electron pair repulsion theory (VSEPR) : 1. The geometry and shape…

Q: Given the malevule pose sf₂"' where or breaks the octel, what would be the creometry? what is the…

A: Here we have to predict geometry , shape and polarity of the following given species BrSeSF21- .

Q: Draw the Lewis Structure and determine the electron geometry (eg), molecular geometry (mg), polarity…

A: As per guidelines if multiple questions posted, first question is allowed to answer , please post…

Q: The actual bond angle in NO₂ is 134.3°, and in NO₂⁻ it is 115.4°, although the ideal bond angle…

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Q: Draw the Lewis structure of SeOF₂ (with minimized formal charges) and then determine the ideal…

A: this is the lewis structure of the SeOF2

Q: 5. (i) Provide possible resonance structure, (ii) evaluate the resonance structures with formal…

A: Resonating structure and formal charge depand structure of molecule

Q: Although carbon and oxygen have significantly different electronegativities, CO2 cannot easily be…

A: The polarity of a molecule is related to the relative electronegativity values of the constituent…

Q: For the anions (Na2S2O4), (LiBH4), (Ca (PF6)2), ((NH4)2PO3F) and (Na2S2O3) propose the most probable…

A: Given substances are :  a). Na2S2O4 b). LiBH4 c). Ca (PF6)2 d). (NH4)2PO3F e). Na2S2O3 What is the…

Q: The XeO3 molecule displays approximately which bond angles (in degrees)about the central Xe? VSEPR…

A: The central atom in XeO3 is Xenon(Xe). Xe has the electronic configuration as [Kr]4d105s25p6 The…

Q: Write Lewis electron-dot structures for: CH4, CCl4, BH3, NH3, H2O.

A: Lewis dot structure is the representation of molecule with its outermost electrons diagrammatically.

Q: What are the angles a and b in the actual molecule of which this is a Lewis structure? H 1₁ b = [° H…

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Q: Consider the Lewis structure for H2C3H2, how many σ and π bonds does it contain?

A: The degree of unsaturation present in the given compound is calculated as shown below where nC and…

Q: In which of the following chemical species is it possible to form pπ-dπ-bond ? 〖CrO4〗^(2-) , OF4 ,…

A: among the mentioned options pπ-dπ-bond are possible in 〖CrO4〗^(2-) and PF3 because central metal…

Q: Draw the molecular shapes and predict the bond angles (relative to the ideal bond angles)of PCl3 and…

A: The structure of PCl3 This is under the form of AX3E  , where X represents the bounded group Cl and…

Q: Compare the bond enthalpies of the carbon-carbon single and triple bonds. Based on this information,…

A: The objective of the question is to compare the bond enthalpies of carbon-carbon and…

Q: (b) Arrange the following in decreasing order of bond length and bond angle with explanation C2H6,…

A: Given: Ethane, Ethene and ethyne  To find: Decreasing order of there bond length and decreasing…

Q: How many sigma (σ) bonds and pi (π) bonds are in the following?

A: The given compounds are,

Q: What is the molecular geometry of this compound?

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Q: Which statement about the charge-minimized Lewis structure of the thiocyanate anion (SCN) is true?…

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Q: Determine the molecular shape for SO3  ?

A: Given : molecular formula = SO3  Atomic number of S = 16  Atomic number of O = 8  To determine :-…

Q: Arrange the following molecules or ions in order of decreasing N - N bond strength Molecules: N2,…

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Q: Which statement about the charge-minimized Lewis structure of the cyanate anion (OCN) is true?…

A: Given is the lewis structure of OCN- ion which shows that carbon atom has formed two sigma(σ) bonds…

Q: Electrons in bonds are negatively charged and therefore repel each other. If you had a molecule of…

A: 3D shape:- This shape has three dimensions which are length, breadth and height. Repulsion in…

Q: Except for nitrogen, the elements of Group 5A(15) all form pentafluorides and most form…

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Q: Draw a Lewis structure for the ozone molecule, O3. (The order of atom attachment is O-O-O, and they…

A: A Lewis Structure is a simplified representation of the valence shell electrons in a molecule. It is…

Q: There are two molecules with the formula C2H6O. Draw electron-dot structures for both. (The…

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Q: The XeO3 molecule displays approximately which bond angles (in degrees)about the central Xe? VSEPR…

A: What is shape and bond angle in XeO3 ?

Q: Phosphorus pentachloride, a key industrial compound with annual world production of about 2107kg,…

A: The given products are POCl3 and SOCl2. POCl3 : In POCl3 phosphorus is the least electronegative…

Q: Iodine is  an essential trace element in the human diet ( in most places, table salt comes with…

A: An ionic compound is formed between a metal and a non metal. Steric number is the number of electron…

Q: CI CI CFs CF, „CF3 F;C ·P. CF CF's CF `CHI, F,C CH3 F,C By considering the trans effect in trigonal…

A: Trans influence is a change in a bond distance between metal and ligand that is trans to the ligand…

Q: Account for ALL the electron pairs and describe the shape around the central atom in XeF4.

A: Given molecule,           Xenon tetrafluoride XeF4

Q: alculate the partial charge on a pole of this molecule in terms of e, where e is the charge on an…

A: Dipole moment is defined as charges separated per unit distance .  Dipole moment = charge ×distance…

Q: Write the Lewis structure for SO3 where the central sulfur atom obeys the octet rule. Do not include…

A: Lewis Structure is defined as a very simplified representation which shows the total number of…

Q: Are the following molecules polar or non-polar? In each case give a reason for your answer.…

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Q: Draw Lewis diagrams and predict the geometries of the following molecules. State which are polar and…

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Quantum Mechanical Treatment of the Valence Bond Theory

Quantum mechanical treatment of valence bond theory refers to the relationship established between the quantum mechanical theory and the valence bond theory to describe the chemical bonding in a particular molecule.