1.All of the following molecules have all bonds being equivalent except: CH4 2.

Question

1.All of the following molecules have all bonds being equivalent except:

CH4

2.

Which of the following has the largest repulsion, assuming that all the angles between electron pairs are identical?

bonding pair to bonding pair

3.

Predict the molecular shape of SF2.

trigonal planar

4.

Draw the best Lewis structure of nitrate ion first and consider resonance structures if there are any. Which one is correct about the bonds in nitrate ion?

There is two single bonds and one double bond

5.

The HOMO of cyanide is: (multiple answers)

a sigma MO

Explanation / Answer

1) PCl5

2) lone pair to lone pair

3) SP3 bent

4) one bond will be shorter than other two

5) a bonding MO

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