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STD 12 -8.1. Aldehydes and ketones — NEET STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceNEETSTD 12 -8.1. Aldehydes and ketones4 Marks
MCQ
$\begin{array}{*{20}{c}}
  {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\begin{array}{*{20}{c}}
  {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,HOC{H_2}} \\ 
  \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,| 
\end{array}} \\ 
  {{H_2}C = CH - C{H_2} - C{H_2} - C - OH} \\ 
  {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|} \\ 
  {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,C{H_2} - C{H_3}} 
\end{array}$ $\xrightarrow[{TsOH}]{{\begin{array}{*{20}{c}}
  O \\ 
  {||} \\ 
  {C{H_3} - C - C{H_3}} 
\end{array}}}(A)$ $\xrightarrow[{{{(C{H_3})}_2}S}]{{{O_3}}}(B) + HCHO$ Product $(B)$ is
  • ✓

  • B

  • C

  • D

✓

Answer

Correct option: A.

a
$(a)$ Nucleophilic addition followed by reaction with $O_3$ .

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