Question

1. For each molecule or ion, draw (a) the best resonance structure, (b) the equivalently good (if one exists) or 2nd best resonance structure (if an equivalent one does not exist), and (c) the resonance hybrid. Show all H atoms, bonds, electron lone pairs, and formal / partial charges where applicable. best resonance structure equivalent resonance structure, or - if there is no equivalent structure - the second best resonance structure resonance hybrid (CH3)2NCHO (dimethylformanide) CH2CHCH2- (allyl anion)

          1. For each molecule or ion, draw (a) the best resonance structure, (b) the equivalently good (if one exists) or 2nd best resonance structure (if an equivalent one does not exist), and (c) the resonance hybrid. Show all H atoms, bonds, electron lone pairs, and formal / partial charges where applicable.

best resonance structure
equivalent resonance structure, or - if there is no equivalent structure - the second best resonance structure
resonance hybrid

(CH3)2NCHO (dimethylformanide)
CH2CHCH2- (allyl anion)

1. For each molecule or ion, draw (a) the best resonance structure, (b) the equivalently good (if one exists) or 2nd best resonance structure (if an equivalent one does not exist), and (c) the resonance hybrid. Show all H atoms, bonds, electron lone pairs, and formal / partial charges where applicable.

best resonance structure
equivalent resonance structure, or - if there is no equivalent structure - the second best resonance structure
resonance hybrid

(CH3)2NCHO (dimethylformanide)
CH2CHCH2- (allyl anion)

Added by Robert F.

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