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Question: Please suggest the correct answer along with suitable mechanism

Please suggest the correct answer along with mechanism.

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closed as off-topic by Nilay Ghosh, airhuff, Pritt Balagopal, NotEvans., paracetamol Jun 29 '17 at 10:19

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    $\begingroup$ I'm voting to close this question as off-topic because there is no effort in the question. $\endgroup$ – Nilay Ghosh Jun 29 '17 at 4:53
  • $\begingroup$ I guess dehydration can occur if heated though, so can be (B). $\endgroup$ – Sawarnik Jun 29 '17 at 5:15
  • $\begingroup$ Answer is A. But dont know why. B and C also seem correct $\endgroup$ – Sayantan Mukherjee Jun 30 '17 at 4:21
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I would also say A.{PINNACOL PINNACOLON REARRANGEMENT)

First H+ can create carbocation at any one of the carbon and then methyl shift(CH3-) from other carbon can occur and we would get positive charge on carbon attached directly with OH , and then OH can share its lone pair and form double bond O. So ketone on left and four degree carbon on right

What's the answer given? And pls also post the efforts you had made for the question in problem description :))

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