Identify product ' $B$ ' in following sequence of reactions. $2n Propanone…

Identify product ' $B$ ' in following sequence of reactions. $2n Propanone \stackrel{\mathrm{Ba}(\mathrm{OH})_2}{\longrightarrow} \mathrm{A} \stackrel{\Delta}{-\mathrm{H}_2 \mathrm{O}} \mathrm{nB}$
  1. 4-Hydroxy-4-methylpentan-2-one
  2. 2-Methylpentan-3-one
  3. 2-Methylpent-2-en-4-one
  4. 4-Methylpent-3-en-2-one

Asked in: MHT CET 2023 (12 May Shift 1)

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