MCQ
Which will give silver mirror test with Tollens reagent :
- A$C_6H_5CHO$
- B$CH_3-CHO$
- C$HCOOH$
- ✓All of these
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(Molal depression constant for water is $1.80\, K\, kg\,mol ^{-1}$ and molar mass of $KCl$ is $74.6 \,g\, mol ^{-1}$ )