Organic Compounds Containing Nitrogen
Urea reacts with water to form $$A$$ which will decompose to form $$B$$. $$B$$ when passed through $$Cu^{2+} (aq)$$, deep blue colour solution $$C$$ is formed. What is the formula of $$C$$ from the following?
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Subjective Type
What happens when? (i) Urea is heated with acetoacetic ester, (ii) Urea is heated with succinic acid, (iii)Urea is treated with sodium hypobromide in alkaline medium (iv) Urea is treated with acetyl chloride
Solution
(ii) $$ NH\_ 2-\overset { \overset { O }{ \parallel } }{ C } - NH_2+NaOBr + 2NaOH \rightarrow NH_2 -NH_2+NaBr+Na_2CO_3+H_2O NH_2-NH_2+2NaOBr \rightarrow N_2 + 2NaBr + 2H_2O $$
(iv) $$ NH_ 2-\overset { \overset { O }{ parallel } }{ C } -NH_2 + CH_3 -\overset { \overset { O }{ \parallel } }{ C } -CI \rightarrow NH_2--\overset { \overset { O }{ parallel } }{ C } -NH-\overset { \overset { O }{ \parallel } }{ C } - CH_3 + HCI $$
SIMILAR QUESTIONS
Organic Compounds Containing Nitrogen
Urea on slow heating gives
Organic Compounds Containing Nitrogen
An aqueous solution of urea :
Organic Compounds Containing Nitrogen
A concentrated solution of urea gives a white precipitate with:
Organic Compounds Containing Nitrogen
Urea is a
Organic Compounds Containing Nitrogen
Urea reacts with hydrazine to give.
Organic Compounds Containing Nitrogen
Urea reacts with malonic ester to give:
Organic Compounds Containing Nitrogen
Urea can be distinguished from acetamide using
Organic Compounds Containing Nitrogen
Urea on treatment with sodium hypobromite gives:
Organic Compounds Containing Nitrogen
Urea on hydrolysis gives:
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