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Question

Formic acid can be distinguished from acetic acid by its reaction with.

A
NaHCO3
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B
Tollen's reagent
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C
NaOH
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D
None of these
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Solution

The correct option is B Tollen's reagent
Formic acid reduces ammoniacal silver nitrate solution (Tollen's reagent) to metallic Ag.
HCOOHfromicacid+Ag2OΔ2Agsilvermirror+CO2+H2O

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