Question

Which is more important in each pair of contributing resonance structures? ? ? .. H3C-C=N=O: <————> H3C-C?N-O: .. .. I II ? ? .. H2C=O-H <————> H2C-O-H .. III IV .. H2N-C?N: <————> H2N=C=N V VI ? II, IV, V ? II, III, V ? II, III, VI

          Which is more important in each pair of contributing resonance structures?

?  ?  ..
H3C-C=N=O:  <————>  H3C-C?N-O:
  ..   ..
      I                    II

     ?                     ?  ..
H2C=O-H       <————>  H2C-O-H
     ..
     III                   IV

  ..
H2N-C?N:      <————>  H2N=C=N
      V                    VI

? II, IV, V

? II, III, V

? II, III, VI

Which is more important in each pair of contributing resonance structures?

? ? ..
H3C-C=N=O: <————> H3C-C?N-O:
.. ..
I II

? ? ..
H2C=O-H <————> H2C-O-H
..
III IV

..
H2N-C?N: <————> H2N=C=N
V VI

? II, IV, V

? II, III, V

? II, III, VI

Added by John W.

Chemistry: Structure and Properties

Nivaldo Tro 2nd Edition

Instant Answer

Solved by Expert David Collins

05/30/2022

Step 1

- For H3C-C=CH-CH3, the contributing resonance structures are H3C-C+=CH-CH3 and H3C-C=CH+-CH3. - For H3C-CH=CH-CH3, the contributing resonance structures are H3C-C+=CH-CH3 and H3C-CH+=CH-CH3. Show more…

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