In the following carbocation,the H or CH_3 gr | vedclass

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(D) The carbocation is at $C-3$. $A$ hydride shift from $C-2$ to $C-3$ occurs because it results in a more stable carbocation at $C-2$.The positive ch

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$H$ at $C-2$

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(D) The carbocation is at $C-3$. $A$ hydride shift from $C-2$ to $C-3$ occurs because it results in a more stable carbocation at $C-2$.The positive charge at $C-2$ is stabilized by resonance (conjugation) from the lone pair of electrons on the oxygen atom of the $-OH$ group.Therefore,the $H$ atom at $C-2$ is the most likely to migrate to the positively charged carbon at $C-3$.

In the following carbocation,the $H$ or $CH_3$ group that is most likely to migrate to the positively charged carbon is:

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