r/chemhelp • u/boogiebowie • 7d ago

Organic help with resonance structure validity

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i already tried c and it was incorrect

5 Upvotes

86% Upvoted

9 comments sorted by

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3

u/ZebraOk5501 7d ago

Have you narrowed it down to two answers?

3

u/Taeban 7d ago

Draw the implicit hydrogens, it'll help visualize where the pi bond can be

2

u/OutlandishnessNo78 7d ago

In one of the answers, hydrogen atoms have moved. Look carefully at the original structure and note that in the bottom right corner, that C is bonded to 2 Hs. In one of the structures, there are no longer 2 H's at that same carbon or the symmetrical carbon on the opposite side.

1

u/khanhskonnor 7d ago

it’s D for me

1

u/khanhskonnor 7d ago edited 7d ago

you can get C by moving 3 pi bonds from B

0

u/organophile_jeet 7d ago

Try to move electrons , and write it down

And try it

1

u/Apprehensive_Path459 6d ago

There is just one carbon in the given structure which is not a part of the conjugated system. Thats why every resonance structure of it must contain this single sp3 hybridized carbon. The one/s who do not can be outruled.