MCQ
Ethyne on reaction with dil. ${H_2}S{O_4}$ and $Hg({\rm{II}})$ gives
  • A
    Ethanol
  • Ethanal
  • C
    Methoxymethane
  • D
    Ethyl hydrogen sulphate

Answer

Correct option: B.
Ethanal
b
(b)$CH \equiv CH + {H_2}O\mathop {\xrightarrow{{40\% \,{H_2}S{O_4}}}}\limits_{\,\,1\% \,HgS{O_4}} C{H_3} - CHO$

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   \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,C{{H}_{3}}\,  \\
   \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|  \\
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   \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|\,\,\,\,\,\,\,\,\,\,\,\,\,|\,\,\,\,\,\,\,\,\,\,\,\,|\,  \\
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