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  4. Formic acid and acetic acid can be distinguished by:

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Q. Formic acid and acetic acid can be distinguished by:

JIPMERJIPMER 1995

Solution:

Formic acid has an aldehydic group in it.
Hence, it reduces Tollens reagent. Acetic acid does not give this test. $ HCOOH+A{{g}_{2}}O\xrightarrow{{}}C{{O}_{2}}+{{H}_{2}}O+2Ag\downarrow $

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