MCQ
The $IUPAC$ name of $C{H_3}C{H_2}\mathop {\mathop {CHC{H_2}}\limits_{|\,\,\,\,\,\,\,\,\,\,\,\,\,} }\limits_{C{H_3}\,\,\,\,\,\,\,} C{H_2}C{H_3}$ is
  • A
    $4-$ methylhexane
  • $3-$ methylhexane
  • C
    $2-$ propylbutane
  • D
    $2-$ ethylpentane

Answer

Correct option: B.
$3-$ methylhexane
b
The longest carbon chain contains $5$ carbon atoms. Also, there is a methyl group at carbon-$3$. Thus IUPAC name is: $3$-methylpentane.

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