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Question

Acetylene reacts with 42% H2SO4 containing 1% HgSO4 to give:

A
C2H5HSO4
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B
CH3CHO
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C
HCHO
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D
CH2CH2
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Solution

The correct option is B CH3CHO

HC CH+H2O H2SO4−−−−HgSO4 [CH2=CHOH](Vinyl alcohol)tautomerizesCH3CHO(acetaldehyde)


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