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Question

Which among the following carbocation species is the most stable?

Four carbocation structures labeled A to D for stability comparison in organic chemistry.

Accepted Answer

Carbocation structure C with a positive charge on a carbon in a chain with double bonds.

Answer

Carbocation structure A with a central carbon bonded to two methyl groups and a positive charge.

Answer

Carbocation structure B with a positive charge on a carbon triple-bonded to another carbon.

Answer

Carbocation structure D with a positive charge on a central carbon bonded to two hydrogens.