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Question

The reaction of formic acid with concentrated sulphuric acid gives:

A
CO2
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B
CO
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C
oxalic acid
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D
acetic acid
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Solution

The correct option is B CO
The reaction of formic acid with concentrated sulphuric acid gives CO.

Sulphuric acid is a strong dehydrating agent. It dehydrates formic acid to give CO and water.

HCOOHconc.H2SO4,dehydration−−−−−−−−−−−−−−CO+HOH

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