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If in an allene system, nodal plane of f...

If in an allene system, nodal plane of first `pi-`bond and last `pi`-bond are in same plane then select the correct statement.

A

Allene will be non-planar

B

Allene will be planar

C

Total no. of `pi`-bonds will be in odd number

D

Total no. of carbons in allene will be in even number

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The correct Answer is:
B, C, D
Facts about allene.
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