MCQ
$IUPAC$ name of $C{H_3} - \mathop {\mathop {CH - C{H_2}}\limits_{|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} }\limits_{C{H_3}\,\,\,\,\,\,\,\,\,\,\,} - CH = C{H_2}$ is
  • A
    $2-$ methyl pentene
  • $4-$ methyl pentene $-1$
  • C
    $1-$ hexene
  • D
    $2-$  methyl pentene $-1$

Answer

Correct option: B.
$4-$ methyl pentene $-1$
b
since it contains double bond hence it is alkene and it also has methyl group attached to the fourth carbon atom, Thus its IUPAC name of the compound will be:

$4$- methyl -$1$- pentene

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