MCQ
Treatment of propionaldehyde with dilute $NaOH$ solution gives
- A$C{H_3}C{H_2}COOC{H_2}C{H_2}C{H_3}$
- B$C{H_3}C{H_2}CHOHCH(C{H_3})CHO$
- ✓$C{H_3}C{H_2}CHOHC{H_2}C{H_2}CHO$
- D$C{H_3}C{H_2}COC{H_2}C{H_2}CHO$
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The above reaction is called
Statement - $I$: High concentration of strong nucleophilic reagent with secondary alkyl halides which do not have bulky substituents will follow $\mathrm{S}_{\mathrm{N}} 2$ mechanism.
Statement - $II$: A secondary alkyl halide when treated with a large excess of ethanol follows $\mathrm{S}_{\mathrm{N}} 1$ mechanism.
In the the light of the above statements, choose the most appropriate from the questions given below: