Portmess Homework Solutions 30

Portmess Homework Solutions 30 - 24 CHEMICAL BONDING B-7...

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B-7. The bond identi f ed (with the arrow) in the following structure is best described as: ( a )2 sp 2 sp 2 s ( c sp 2 2 sp 3 s ( e p 2 p s ( b p 2 p p ( d sp 2 2 sp 2 s B-8. The total number of unshared pairs of electrons in the molecule is ( a )0 ( b )1 ( c ( d )3 B-9. Which of the following contains a triple bond? ( a )S O 2 ( b ) HCN ( c )C 2 H 4 ( d )N H 3 B-10. Which one of the compounds shown is not an isomer of the other three? B-11. Which one of the following is the most stable Lewis structure? The answer must be correct in terms of bonds, unshared pairs of electrons, and formal charges. B-12. Repeat the previous question for the following Lewis structures. B-13. Which of the following molecules would you expect to be nonpolar ? 1. CH 2 F 2 2. CO 2 3. CF 4 4. CH 3 OCH 3 ( a ) 1 and 2 ( b ) 1 and 3 ( c )
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