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9. Hydricarbon — Chemistry STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceChemistry9. Hydricarbon1 Mark
MCQ
Which of the following compound on hydration (addition of $H_2O$) with $H_2SO_4/HgSO_4/H_2O$ give aldehyde as major product
  • A

  • B
    $C{H_3} - C \equiv CH$
  • ✓
    $CH \equiv CH$
  • D
    $C{H_3} - C \equiv C - C{H_3}$
✓

Answer

Correct option: C.
$CH \equiv CH$
c
$HC \equiv CH\xrightarrow{{H{g^{ + 2}}/{H_2}S{O_4}}}\mathop {\begin{array}{*{20}{c}}
  {\,\,\,\,\,\,\,\,\,OH} \\ 
  {\,\,\,\,\,\,|} \\ 
  {C{H_2} = C - H} 
\end{array} \rightleftharpoons \begin{array}{*{20}{c}}
  {\,\,\,\,\,\,O} \\ 
  {\,\,\,\,\,\,||} \\ 
  {C{H_3} - C - H} 
\end{array}}\limits_{(Acetaldehyde)} $

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