Identify ' $\mathrm{B}$ ' in the following conversions: $\mathrm{CH}_3 \mathrm{Br}…

Identify ' $\mathrm{B}$ ' in the following conversions: $\mathrm{CH}_3 \mathrm{Br} \stackrel{\mathrm{KCN}}{\longrightarrow} \mathrm{A} \stackrel{\mathrm{Na}_2 / \mathrm{C}_2 \mathrm{H}_5 \mathrm{OH}}{\longrightarrow} \mathrm{B}$
  1. $\mathrm{CH}_3 \mathrm{CN}$
  2. $\mathrm{CH}_3 \mathrm{OC}_2 \mathrm{H}_5$
  3. $\mathrm{CH}_3 \mathrm{ONa}$
  4. $\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{NH}_2$

Asked in: MHT CET 2023 (13 May Shift 2)

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