Count the distinct enol forms of the compound shown, that is, constitutionally different enols obtained by enolisation toward each different alpha carbon. Do not count stereoisomers separately. How many are there?

Answer: B

The compound shown is 2-methylcyclohexanone. Enolisation toward C2 gives the 2-methylcyclohex-1-en-1-ol, and enolisation toward C6 gives the 6-methylcyclohex-1-en-1-ol. These are two constitutionally different enols, so the count is 2.

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