Which alkenol is stable ?...

Which alkenol is stable ?

A

`CH_(2)=CH-CH_(2)-OH`

B

`CH_(2)=CHOH`

C

`CH_(3)-underset(CH_(3))underset(|)C=CH-OH`

D

All of these

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Verified by Experts

The correct Answer is:

B, C

are enols and will tautomerise into
`CH_(3)-undersetOunderset(||)C-H` and `CH_(3)-underset(CH_(3))underset|CH-CHO` respectively

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