Q21 / 160 · TS EAMCET 2016 · Chemistry

Identify $X$ and $Y$ in the following reaction sequence $$ X \stackrel{\mathrm{Zn}}{\longrightarrow} Y \underset{\mathrm{Zn}-\mathrm{H}_2 \mathrm{O}}{\stackrel{\mathrm{O}_3}{\longrightarrow}}\left(\mathrm{CH}_3\right)_2 \mathrm{CO}+\mathrm{CH}_2 \mathrm{O} $$ $$ X \quad Y $$

  • A
    Figure
    $$ \mathrm{CH}_3 \mathrm{CH}=\mathrm{CHCH}_3 $$
  • B
    $\left(\mathrm{CH}_3\right)_2 \mathrm{CHCH}_2 \mathrm{Br}$
  • Correct answer
    C
    $\left(\mathrm{CH}_3\right)_2 \mathrm{CBrCH}_2 \mathrm{Br}$ $$ \mathrm{CH}_3 \mathrm{CH}=\mathrm{CHCH}_3 $$
  • D
    $\left(\mathrm{CH}_3\right)_2 \mathrm{CHCHBr} \mathrm{CHCH}_2$ $\left(\mathrm{CH}_3\right)_2 \mathrm{C}=\mathrm{CH}_2$ $\left(\mathrm{CH}_3\right)_2 \mathrm{C}=\mathrm{CH}_2$

Solution

In this reaction, Figure

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

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