Identify the final product

1.	Identify the final product
Answer» `C_(6)H_(5)-underset(O)underset(\|\|)C-underset(CH_(3))underset(\|)overset(CH_(3))overset(\|)C-CH_(3)` `H_(5)C_(6)-underset(CH_(3))underset(\|)overset(C_(6)H_(5))overset(\|)C-underset(O)underset(\|\|)C-CH_(3)` `C_(6)H_(5)-overset(C_(6)H_(5))overset(\|)C=overset(CH_(3))overset(\|)C-CH_(3)` NONE of these Solution :Stability of carbocation (PINACOLONE rearrangement)

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