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Find the product of the given reaction? ...

Find the product of the given reaction?
: , , ,

A

B

C

D

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The correct Answer is:
D
Protonation of alcohol (I) followed by loss of `H_(2)O` 2° carbocation (H) which undergoes 1,2-. methyl shift to afford more stable 3° carbocation (III). Loss of a proton from (III) gives isolated diene (IV). Acid-catalysed isomerization of (IV) ultimatelygives the more stable conjugated diene (V) as the final product.
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