Crion belowe dome oftions about SiH2 F2 (SP3 Choose the correc statement? (A) There are multiple isomers all are Polar. (B) There are multiple somers, both and Polar non polar only one thomer and it is non polar (D) There are multifile isomers non poter. (e) There is are att (Ⓒ) There is only one and ist 15 isomes Patas.

Crion belowe dome oftions about SiH2 F2 (SP3 Choose the correc statement? (A) There are multiple isomers all are Polar. (B) There are multiple somers, both and Polar non polar only one thomer and it is non polar (D) There are multifile isomers non poter. (e) There is are att (Ⓒ) There is only one and ist 15 isomes Patas.

Chemistry: Principles and Reactions

8th Edition

ISBN:9781305079373

Author:William L. Masterton, Cecile N. Hurley

Publisher:William L. Masterton, Cecile N. Hurley

Chapter7: Covalent Bonding

Section: Chapter Questions

Problem 41QAP: The uracil molecule is one of the bases in DNA. Estimate the approximate values of the indicated...

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The diagram that follows shows the highest-energy occupiedMOs of a neutral molecule CX, where element X is in thesame row of the periodic table as C. (a) Based on the numberof electrons, can you determine the identity of X? (b) Wouldthe molecule be diamagnetic or paramagnetic? (c) Considerthe p2p MOs of the molecule. Would you expect them to havea greater atomic orbital contribution from C, have a greateratomic orbital contribution from X, or be an equal mixtureof atomic orbitals from the two atoms?
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The illustrations below depict differences in orbital hy-bridization of some tellurium (Te) fluorides. (a) Which depictsthe difference, if any, between TeF₆(left) and TeF₅(right)? (b) Which depicts the difference, if any, between TeF₄(left) and TeF₆(right)?
The figure that follows contains ball-and-stick drawings ofthree possible shapes of an AF4 molecule. (a) For each shape,give the electron-domain geometry on which the moleculargeometry is based. (b) For each shape, how many nonbondingelectron domains are there on atom A? (c) Which of thefollowing elements will lead to an AF4 molecule with theshape in (iii): Be, C, S, Se, Si, Xe? (d) Name an element A thatis expected to lead to the AF4 structure shown in (i).
The O¬H bond lengths in the water molecule 1H2O2 are0.96 Å, and the H¬O¬H angle is 104.5°. The dipole momentof the water molecule is 1.85 D. (a) In what directionsdo the bond dipoles of the O¬H bonds point? In what directiondoes the dipole moment vector of the water moleculepoint? (b) Calculate the magnitude of the bond dipoleof the O¬H bonds. (Note: You will need to use vector addition to do this.) (c) Compare your answer from part (b)to the dipole moments of the hydrogen halides (Table 8.3).Is your answer in accord with the relative electronegativityof oxygen?
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The lactic acid molecule, CH3CH(OH)COOH, gives sourmilk its unpleasant, sour taste. (a) Draw the Lewis structurefor the molecule, assuming that carbon always forms fourbonds in its stable compounds. (b) How many π and howmany σ bonds are in the molecule? (c) Which CO bond isshortest in the molecule? (d) What is the hybridization ofatomic orbitals around the carbon atom associated withthat short bond? (e) What are the approximate bond anglesaround each carbon atom in the molecule?
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