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A compound $\mathrm{A}$ has a molecular formula $\mathrm{C}_2 \mathrm{Cl}_3 \mathrm{OH}$. It reduces Fehling solution and on oxidation gives a monocarboxylic acid ( $B$ ). A is obtained by action of chlorine on ethyl alcohol. $A$ is
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The correct answer is:
Chloral
It means $-\mathrm{CHO}$ group is present.
It means only one $-\mathrm{CHO}$ group is present.
$\mathrm{C}_2 \mathrm{H}_5 \mathrm{OH}+\mathrm{Cl}_2 \rightarrow \mathrm{CH}_3 \mathrm{CHO}+2 \mathrm{HCl}$
$\mathrm{CH}_3 \mathrm{CHO}+3 \mathrm{Cl}_2 \rightarrow \underset{\text { Chloral }}{\mathrm{CCl}_3 \mathrm{CHO}}+3 \mathrm{HCl}$
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