MCQ
The $IUPAC$ name of $\begin{array}{*{20}{c}}
  {OH\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,O} \\ 
  {|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,||} \\ 
  {C{H_3} - C - C{H_2} - C - C{H_3}} \\ 
  {\,|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {H\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} 
\end{array}$ is
  • A
    $2-$ Hydroxypentan $-4-$ one
  • $4-$ Hydroxypentan $-2-$ one
  • C
    $4-$ oxopentan $-2-$ ol
  • D
    $2-$ oxopentan $-4-$ ol

Answer

Correct option: B.
$4-$ Hydroxypentan $-2-$ one
b
No. of carbon in the longest skeleton $=5$

Functional group :- ketone

Side group :- hydroxy in position $4$

Name :- $4$-hydroxypentan-$2$-ane

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