Question

Formic acid and acetic acid are distinguished by

• A. $NaHC{O}_3$
• B. $FeC{l}_3$
• C. Victor Mayer test
• D. Tollens reagent

Answer 1

Answer: (D)

Formic acid has $-\stackrel{\underset{||}{O}}{C}-H$ (aldehyde) group. It reduces Tollen's reagent to silver mirror like other aldehydes.