CH_3-CO-CH_2-COOH xrightarrow{Delta} X xright | vedclass

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(A) $\beta$-keto acids undergo decarboxylation on heating to give ketones.$CH_3-CO-CH_2-COOH \xrightarrow{\Delta} CH_3-CO-CH_3 + CO_2$Here,the product

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(A) $\beta$-keto acids undergo decarboxylation on heating to give ketones.$CH_3-CO-CH_2-COOH \xrightarrow{\Delta} CH_3-CO-CH_3 + CO_2$Here,the product $X$ is acetone $(CH_3-CO-CH_3)$.Acetone reacts with $HCN$ in the presence of a base $(OH^-)$ to form acetone cyanohydrin $(Y)$.$CH_3-CO-CH_3 + HCN \xrightarrow{OH^-} CH_3-C(OH)(CN)-CH_3$The structure of acetone cyanohydrin is shown in option $A$.

$CH_3-CO-CH_2-COOH$ $\xrightarrow{\Delta} X$ $\xrightarrow[OH^-]{HCN} Y$,$Y$ is:

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