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Valence Shell Electron Pair Repulsion Theory Solutions Library

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Valence Shell Electron Pair Repulsion Theory

Q. Which statement is always true according to VSEPR theory?a) The shape of a molecule is determined only by the repulsions among bonding electron gro...

Solved • Feb 1, 2021

Valence Shell Electron Pair Repulsion Theory

Q. Part B. What types of orbital overlap occur in cumulene?Check all that apply.When two atoms form a single covalent bond, two orbitals (one from eac...

Solved • Jul 2, 2020

Valence Shell Electron Pair Repulsion Theory

Q. Part C. Which of the following clusters of orbitals could form a shape similar to that shown here in the valence shell of an isolated atom or one a...

Solved • Jul 2, 2020

Valence Shell Electron Pair Repulsion Theory

Q. Part B. Which of the following clusters of orbitals could form a shape similar to that shown here in the valence shell of an isolated atom or one a...

Solved • Jul 2, 2020

Valence Shell Electron Pair Repulsion Theory

Q. Part A. Which of the following clusters of orbitals would form the shape shown here and would also be possible within the valence shell of an atom?...

Solved • Jul 2, 2020

Valence Shell Electron Pair Repulsion Theory

Q. Part B. A potential energy curve is displayed in the simulation similar to the one displayed below. The points A through E represent the position o...

Solved • Jul 2, 2020

Valence Shell Electron Pair Repulsion Theory

Q. Benzene is an organic chemical compound with the molecular formula C6H6. In the benzene molecule, carbon atoms form a ring with alternating single ...

Solved • Jul 2, 2020

Valence Shell Electron Pair Repulsion Theory

Q. Label all bonds in NF3.Hybridization of N atom in NF3 is sp3Lone pair in p orbitalLone pair in s orbitalδ: N(p) - F(sp3)δ: N(p) - F(p)π: N(p) - F(p...

Solved • Apr 14, 2020

Valence Shell Electron Pair Repulsion Theory

Q. Label all bonds in SO2.The hybridization of the S atom in SO2 is sp2.δ: S(sp2) - O(p)Lone pair in sp2 orbitalδ: S (p) - O(sp2)π: S(p) - O(p)π: S(p)...

Solved • Apr 14, 2020

Valence Shell Electron Pair Repulsion Theory

Q. 1. Indicate which orbitals overlap to form the σ bond between the carbon atoms in HCCH.a) between an unhybridized s orbital on C and an unhybridize...

Solved • Mar 31, 2020

Valence Shell Electron Pair Repulsion Theory

Q. Identify which atomic orbitals are used to construct the specified sigma bonds:Bond a is : _______ bond b is: ________ bond c is: ________Identify ...

Solved • Mar 20, 2020

Valence Shell Electron Pair Repulsion Theory

Q. For an atom of oxygen, what is the greatest number of hybridized orbitals it can have?A. 1 B. 3 C. 6 D. 4 E. 0

Solved • Oct 3, 2019

Valence Shell Electron Pair Repulsion Theory

Q. How many pi bonds are formed when sp3 hybridization occurs in ethene, C2H4?

Solved • Aug 29, 2019

Valence Shell Electron Pair Repulsion Theory

Q. When the electron cloud of a molecule is easily distorted, the molecule has a high _____________.(A) polarity (B) polarizability (C) dipole moment ...

Solved • Aug 2, 2019

Valence Shell Electron Pair Repulsion Theory

Q. Aspartame is an artificial sweetener marketed under the name Nutra-Sweet. A partial Lewis structure for aspartame is shown below.Aspartame can be c...

Solved • Nov 27, 2018

Valence Shell Electron Pair Repulsion Theory

Q. Using bond energies from Table 3-3, estimate the barrier to rotation about a carbon–carbon double bond. To do this, consider what must happen to go...

Solved • Nov 27, 2018

Valence Shell Electron Pair Repulsion Theory

Q. Urea, a compound formed in the liver, is one of the ways humans excrete nitrogen. The Lewis structure for urea isUsing hybrid orbitals for carbon, ...

Solved • Nov 27, 2018

Valence Shell Electron Pair Repulsion Theory

Q. The N2O molecule is linear and polar.c. How would the multiple bonding in  be described in terms of orbitals?

Solved • Nov 27, 2018

Valence Shell Electron Pair Repulsion Theory

Q. Consider three molecules: A, B, and C. Molecule A has a hybridization of sp 3. Molecule B has two more effective pairs (electron pairs around the c...

Solved • Nov 27, 2018

Valence Shell Electron Pair Repulsion Theory

Q. Formation of sp3 hybrid orbitals.Which of the p orbitals do you think contributes the most in the mixing that leads to the right-most sp3 hybrid or...

Solved • Nov 12, 2018

Valence Shell Electron Pair Repulsion Theory

Q. The drawing below shows the overlap of two hybrid orbitals to form a bond in a hydrocarbon.Which of the following could be the identity of the hydr...

Solved • Nov 12, 2018

Valence Shell Electron Pair Repulsion Theory

Q. Based on the models of bonding in ethylene and acetylene, which molecule should have the greater carbon—carbon bond strength?

Solved • Nov 12, 2018

Valence Shell Electron Pair Repulsion Theory

Q. How would you expect the extent of overlap of the bonding atomic orbitals to vary in the series IF, ICl, IBr, and I2?

Solved • Nov 12, 2018

Valence Shell Electron Pair Repulsion Theory

Q. What sketches are illustrating the overlap between the following orbitals on two atoms:the 2pz orbital on each atom (assume both atoms are on the z...

Solved • Nov 12, 2018

Valence Shell Electron Pair Repulsion Theory

Q. What sketches are illustrating the overlap between the following orbitals on two atoms:the 2s orbital on one atom and the 2pz orbital on the other ...

Solved • Nov 12, 2018

Valence Shell Electron Pair Repulsion Theory

Q. The molecule 2-butene, C4 H8, can undergo a geometric change called cis-trans isomerization: As discussed in the "Chemistry and Life" box on the...

Solved • Nov 12, 2018

Valence Shell Electron Pair Repulsion Theory

Q. Label the bonds in XeF4 using the σ sigmaand π pinotation followed by the type of overlapping orbitals.

Solved • Nov 12, 2018

Valence Shell Electron Pair Repulsion Theory

Q. Label all bonds in HCN using the sigma σ and πpi notation followed by the type of overlapping orbitals.

Solved • Nov 12, 2018

Valence Shell Electron Pair Repulsion Theory

Q. The most stable forms of the nonmetals in groups 4A, 5A, and 6A of the first period are molecules with multiple bonds. Beginning with the second-pe...

Solved • Nov 12, 2018

Valence Shell Electron Pair Repulsion Theory

Q. The answer to the question “ What is a chemical bond ?” depends on the bonding model. Answer these three questions:What is a covalent chemical bond...

Solved • Nov 12, 2018

Valence Shell Electron Pair Repulsion Theory

Q. The double bonds are stronger and shorter than single bonds. For example, a C-C single bond has an average bond energy of 347 kJ/mole while a C=C d...

Solved • Nov 12, 2018

Valence Shell Electron Pair Repulsion Theory

Q. The compound 2,6-dimethylpyrazine (below) gives chocolate its odor and is used in flavorings. In what type of hybrid orbital do the lone pairs of N...

Solved • Oct 24, 2018

Valence Shell Electron Pair Repulsion Theory

Q. The compound 2,6-dimethylpyrazine (below) gives chocolate its odor and is used in flavorings. Which atomic orbitals mix to form the hybrid orbitals...

Solved • Oct 24, 2018

Valence Shell Electron Pair Repulsion Theory

Q. For the molecule allene, H2C=C=CH2, give the hybridization of each carbon atom. Will the hydrogen atoms be in the same plane or perpendicular planes?

Solved • Oct 22, 2018

Valence Shell Electron Pair Repulsion Theory

Q. For the carbonate ion, CO32−, draw all of the resonance structures. Identify which orbitals overlap to create each bond.

Solved • Oct 22, 2018

Valence Shell Electron Pair Repulsion Theory

Q. The bond energy of a C–C single bond averages 347 kJ mol−1; that of a C≡C triple bond averages 839 kJ mol−1. Explain why the triple bond is not thr...

Solved • Oct 22, 2018

Valence Shell Electron Pair Repulsion Theory

Q. A friend tells you N2 has three π bonds due to overlap of the three p-orbitals on each N atom. Do you agree?

Solved • Oct 22, 2018

Valence Shell Electron Pair Repulsion Theory

Q. Use valence bond theory to explain the bonding in O 2. Sketch the overlap of the atomic orbitals involved in the bonds in O2.

Solved • Oct 22, 2018

Valence Shell Electron Pair Repulsion Theory

Q. Use valence bond theory to explain the bonding in F 2, HF, and ClBr. Sketch the overlap of the atomic orbitals involved in the bonds.

Solved • Oct 22, 2018

Valence Shell Electron Pair Repulsion Theory

Q. Explain why bonds occur at specific average bond distances instead of the atoms approaching each other infinitely close.

Solved • Oct 22, 2018

Valence Shell Electron Pair Repulsion Theory

Q. According to valence bond theory, which kind of orbitals overlap to form the S−F bonds in SF6?

Solved • Mar 29, 2018

Valence Shell Electron Pair Repulsion Theory

Q. Indicate which orbitals overlap to form the sigma bonds in:a. BeBr2b. HgCl2c. ICN

Solved • Mar 22, 2018

Valence Shell Electron Pair Repulsion Theory

Q. Indicate which orbitals overlap to form the σ bonds in the following molecule.NH3a. between a hybrid sp orbital on N and an s orbital on Hb. betwee...

Solved • Mar 20, 2018

Valence Shell Electron Pair Repulsion Theory

Q. Indicate which orbitals overlap to form the σ bonds in the following molecule.BeBr2a. between a hybrid sp orbital on Be and a p orbital on Brb. bet...

Solved • Mar 20, 2018

Valence Shell Electron Pair Repulsion Theory

Q. Indicate which orbitals overlap to form the σ bonds in the following molecules.ICNa. 1 σ bond forms between a hybrid sp2 orbital on C and a p orbit...

Solved • Mar 19, 2018

Valence Shell Electron Pair Repulsion Theory

Q. Indicate which orbitals overlap to form the σ bonds in the following molecules. H2S a. between a hybrid sp orbital on S and an s orbital on Hb. bet...

Solved • Mar 19, 2018

Valence Shell Electron Pair Repulsion Theory

Q. What type of bond results from the end -on overlap of orbitals?a) σ (sigma) bondb) hydrogen bondc) π (pi) bondd) ionic bond

Solved • Feb 16, 2018

Valence Shell Electron Pair Repulsion Theory

Q. What type of bond results from the side-on overlap of orbitals?a) π (Pi) bondb) Hydrogen bondc) Ionic bondd) σ (sigma) bond

Solved • Feb 15, 2018

Valence Shell Electron Pair Repulsion Theory

Q. What types of orbital overlap occur in cumulene?

Solved • Dec 19, 2017

Valence Shell Electron Pair Repulsion Theory

Q. Describe the orbitals used to form the pi-bond between the C* and N*.2p – 2psp2 – sp3sp3 – sp3sp2 – sp2sp2 – sp 

Solved • Jul 10, 2017

Valence Shell Electron Pair Repulsion Theory

Q. Describe the orbitals used to form the sigma bond between the C* and N*. 2p – 2p sp2 – sp3 sp3 – sp3 sp2 – sp2 sp2 – sp  

Solved • Jul 10, 2017

Valence Shell Electron Pair Repulsion Theory

Q. Consider the compound ethene, C2H4. The bond between the two carbons that is formed above and below the internuclear axis is a     ?      bond. The...

Solved • Nov 1, 2016

Valence Shell Electron Pair Repulsion Theory

Q. According to valence bond theory, which orbitals overlap in the formation of the bond in HBr? Consider the HF molecule to help determine your answe...

Solved • Mar 25, 2016

Valence Shell Electron Pair Repulsion Theory

Q. How many electrons are found within a pi (π) bond? (a) 1 (b) 2 (c) 3 (d) 3.14 (e) 4

Solved • Mar 9, 2016

Valence Shell Electron Pair Repulsion Theory

Q. Which of the following statements is true? a) A triple bond is composed of two sigma bonds and one pi bond. b) Free rotation may occur about a do...

Solved • Mar 2, 2016

Valence Shell Electron Pair Repulsion Theory

Q. When two atomic orbitals overlap in phase, all of the following occur except:a. constructive interference occursb. a bonding molecular orbital is p...

Solved • Feb 19, 2016

Valence Shell Electron Pair Repulsion Theory

Q. The C-C pi bond in ethylene H 2CCH2 results from the overlap of which orbitals?a. Two sp3 hybrid orbitals, one on each C atomb. Two 2p atomic orbit...

Solved • Feb 18, 2016

Valence Shell Electron Pair Repulsion Theory

Q. What types of orbitals overlap to form each C-H sigma bond in methane CH 4?A. C-sp3 and H-1sB. C-2s and H-1sC. C-sp and H-2sD. C-sp and H-1sE. C-sp...

Solved • Feb 18, 2016

Valence Shell Electron Pair Repulsion Theory

Q. In general what bond types make up a triple bond?a. three sigma bondsb. two sigma bonds and a pi bondc. a sigma bond and two pi bondsd. two sigma b...

Solved • Feb 18, 2016

Valence Shell Electron Pair Repulsion Theory

Q. According to valence bond theory which orbitals overlap in the formation of the bond in HBr?a. 1s on H and 4s on Brb. 1s on H and 4p on Brc. 1s on ...

Solved • Feb 18, 2016