MCQ
$IUPAC$  name of the following compound is $\begin{array}{*{20}{c}}
  {\,H\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {C{H_3} - C - C{H_2} - C{H_3}} \\ 
  {|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {{C_6}{H_5}\,\,\,\,\,\,\,\,\,} 
\end{array}\,$
  • A
    $2-$ cyclohexylbutane
  • $2-$ phenylbutane
  • C
    $3-$ cyclohexylbutane
  • D
    $3-$ phenylbutane

Answer

Correct option: B.
$2-$ phenylbutane
b
As $ph$- group is attached at carbon no. $2$ of alkane chain so IUPAC name of compound is $2$- phenylbutane.

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