Q45 / 160 · JIPMER 2012 · Chemistry

Figure Here, $X$ is

  • A
    glycollic acid
  • B
    $\alpha$-hydroxy propionic acid
  • C
    succinic acid
  • Correct answer
    D
    malonic acid

Solution

\(\stackrel{\alpha}{\mathrm{CH}_3 \mathrm{COOH}} \xrightarrow[\mathrm{Br}_2 / \mathrm{P}]{\text { H.V.Z }} \underset{\text{(Y)}}{\mathrm{ClCH}_2 \mathrm{COOH}}\xrightarrow[\mathrm{H}_3 \mathrm{O}^{\oplus}]{\mathrm{KCN}}\underset{\text{(X) Malonic acid}}{\mathrm{HOOC}-\mathrm{CH}_2-\mathrm{COOH}}\)

Hence, the correct answer is option: 'D'.

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