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(A) Give the mechanism of pinacol-pinaco...

(A) Give the mechanism of pinacol-pinacolone rearrangement reaction.
(B) Whatt is the final product when each of the following is treated with `H^(+)` or dil. `H_(3)PO_(4)`.

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(A) When pinacols (mostly di tertiary alcohols) are treated with mineral acids (dil. `H_(2)SO_(4)` or dil. `H_(3)PO_(4))` or acid chlorides , `ZnCl_(2)` or other electrophilic reagent, they rearrange to form ketones called pinacolones with the elimination of `H_(2)O`

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