Identify the product ' $\mathrm{B}$ ' in following reaction. $2 \mathrm{CH}_3 \mathrm{CHO} \stackrel{\text {…

Identify the product ' $\mathrm{B}$ ' in following reaction. $2 \mathrm{CH}_3 \mathrm{CHO} \stackrel{\text { dil.NaOH }}{\longrightarrow} \mathrm{A} \underset{-\mathrm{H}_2 \mathrm{O}}{\stackrel{\Delta}{\longrightarrow}} \mathrm{B}$
  1. But-3-enal
  2. 3-Hydroxyl butanal
  3. But-2-enal
  4. 4-Hydroxyl butanal

Asked in: MHT CET 2021 (22 Sep Shift 2)

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