MCQ
$IUPAC $ name of $C{H_3} - CH = CH - COOH$
  • $2-$ butenoic acid
  • B
    $1-$ butenoic acid
  • C
    $\beta$ - butenoic acid
  • D
    $1-$ carboxy $ -1-$ propene

Answer

Correct option: A.
$2-$ butenoic acid
a
${ }^4 CH _3{ }^3 CH ={ }^2 CH -{ }^1 COOH$

But $-2-$ ene $-1-$ oic acid

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