The correct statement regarding a carbonyl compound with a hydrogen atom on its $\alpha-$carbon is:

  • A
    $A$ carbonyl compound with a hydrogen atom on its $\alpha-$carbon rapidly equilibrates with its corresponding enol and this process is known as carbonylation.
  • B
    $A$ carbonyl compound with a hydrogen atom on its $\alpha-$carbon rapidly equilibrates with its corresponding enol and this process is known as keto-enol tautomerism.
  • C
    $A$ carbonyl compound with a hydrogen atom on its $\alpha-$carbon never equilibrates with its corresponding enol.
  • D
    $A$ carbonyl compound with a hydrogen atom on its $\alpha-$carbon rapidly equilibrates with its corresponding enol and this process is known as aldehyde-ketone equilibration.

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