An organic compound A,C_5 H_8 O,reacts with H | vedclass

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Question

(C) The compound $A$ reacts with nucleophiles like $H_2 O$,$NH_3$,and $CH_3 COOH$ to form a carboxylic acid,an amide,and an acid anhydride respectivel

Vedclass · Accepted Answer

$CH_3-CH_2-C(CH_3)=C=O$

Vedclass · Answer

(C) The compound $A$ reacts with nucleophiles like $H_2 O$,$NH_3$,and $CH_3 COOH$ to form a carboxylic acid,an amide,and an acid anhydride respectively. This reactivity is characteristic of a ketene. Given the molecular formula $C_5 H_8 O$,the structure $CH_3-CH_2-C(CH_3)=C=O$ (ethylmethylketene) fits the description. $1$. Reaction with $H_2 O$: $CH_3-CH_2-C(CH_3)=C=O + H_2 O \rightarrow CH_3-CH_2-CH(CH_3)-COOH$ $2$. Reaction with $NH_3$: $CH_3-CH_2-C(CH_3)=C=O + NH_3 \rightarrow CH_3-CH_2-CH(CH_3)-CONH_2$ $3$. Reaction with $CH_3 COOH$: $CH_3-CH_2-C(CH_3)=C=O + CH_3 COOH \rightarrow CH_3-CH_2-CH(CH_3)-COOCOCH_3$

An organic compound $A$,$C_5 H_8 O$,reacts with $H_2 O$,$NH_3$,and $CH_3 COOH$ as shown in the reaction scheme. Identify $A$.

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