On prolonged heating of ammonium cyanate or u | vedclass

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(C) Ammonium cyanate isomerizes to urea upon heating: $NH_4CNO \xrightarrow{\Delta} NH_2CONH_2$.On prolonged heating of urea,two molecules of urea con

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Biuret

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(C) Ammonium cyanate isomerizes to urea upon heating: $NH_4CNO \xrightarrow{\Delta} NH_2CONH_2$.On prolonged heating of urea,two molecules of urea condense with the elimination of an ammonia molecule $(NH_3)$ to form biuret:$NH_2CONH_2 + NH_2CONH_2 \xrightarrow{\Delta} NH_2CONHCONH_2 + NH_3$.Thus,the product obtained is biuret.

On prolonged heating of ammonium cyanate or urea,we get

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