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An organic compound [A] having molecular formula C2H7N on treatment with nitrous acid gives a compound [B] having molecular formula C2H6O. [B] on treatment with an organic compound [C] gives a carboxylic acid [D] and a sweet-smelling compound [E]. Oxidation of [B] with acidified potassium dichromate also gives [D].

(i) Identify [A], [B], [C], [D] and [E].

(ii) Write a balanced chemical equation of [D] with chlorine in the presence of red phosphorus and name the reaction.

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 (i) A is C2H5NH2 - Ethylamine

B is C2H5OH - Ethanol

C is CH3COOH3 - Acetic anhydride

D is CH3COOC2H5 - Acetic acid

E is CH3COOC2H5 - Ethyl acetate

(ii) 

This reaction is called Hell-volhard-Zelinsky (HUZ) reaction.

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