MCQ
The reagent that can distinguish benzaldehyde from propionaldehyde is
- A$I_2/NaOH$
- ✓Fehling's solution
- CTollens reagent
- D$2, 4-$ dinitrophenyl hydrazine
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$(i)$ $N{O_2}\xrightarrow{{slow}}NO + O$
$(ii)$ ${F_2} + O + NO\xrightarrow{{Fast}}N{O_2}F + F$
$(iii)$ $F + N{O_2}\xrightarrow{{Fast}}N{O_2}F$
Select the correct one