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

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

MGIMS WardhaMGIMS Wardha 2009

Solution:

Formic acid reduces ammoniacal silver nitrate solution (Tollen's reagent) to metallic $ Ag $ . $ \underset{formic\text{ }acid}{\mathop{HCOOH}}\,+A{{g}_{2}}O\xrightarrow{\Delta }\underset{silver\text{ }mirror}{\mathop{2Ag}}\,+C{{O}_{2}}+{{H}_{2}}O $ Acetic acid does not undergo this test.