Homework Help: Chemistry

Posted by Tc on Sunday, July 3, 2011 at 11:03pm.

Choose the bond that is the weakest:

A) Na-Cl
B) I-I
C) C=N
D) Li-F
E) C=O

I don't understand the question... do they mean polarity wise, IMF wise or bond length wise.

I know the answer is C but why C.

Chemistry - DrBob222, Sunday, July 3, 2011 at 11:22pm
I think they mean bond wise. I would ick C because its the odd ball in the group. We know I-I is a good covalent bond, LiF and NaCl are ionic bonds and C=O is quite polar. I tried drawing a Lewis structure for C=N and it doesn't have an even number of electrons.
Chemistry - Tc, Sunday, July 3, 2011 at 11:44pm
thank u sooo much :D

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