MCQ
The functional group present in propanal is:
  • A
    $\ce{−OH}$
  • B
    $\ce{−COOH}$
  • C
    $\ce{−CO−}$
  • $\ce{−CHO}$

Answer

Correct option: D.
$\ce{−CHO}$
The functional group present in propanal $\ce{(C_2H_5CHO)}$ is $\ce{-CHO} ($aldehydes group$).$

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