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12 g of impure cyanogen undergoes hydrol...

12 g of impure cyanogen undergoes hydrolysis by two different paths.
(i). `(CN)_(2)+4H_(2)Oto(NH_(4))_(2)C_(2)O_(4)`
(ii). `(CN)_(2)+2H_(2)OtoNH_(2)CONH_(2)`
When 11.52 g of pure ammonium carbonate `[(NH_(4))_(2)CO_(3)]` was heated, the exact amount of urea was obtained. 20 " mL of " 1.6 M acidic `KMnO_(4)` is required to completely oxidise `(NH_(4))_(2)C_(2)O_(4)`.
Q. In which reaction, carbon is oxidised?

A

`40%`

B

`60%`

C

`30%`

D

70%`

Text Solution

Verified by Experts

The correct Answer is:
A
`%` progress in case `(i)=(0.8)/(0.20)xx100=40%`
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12 g of impure cyanogen undergoes hydrolysis by two different paths. (i). (CN)_(2)+4H_(2)Oto(NH_(4))_(2)C_(2)O_(4) (ii). (CN)_(2)+2H_(2)OtoNH_(2)CONH_(2) When 11.52 g of pure ammonium carbonate [(NH_(4))_(2)CO_(3)] was heated, the exact amount of urea was obtained. 20 " mL of " 1.6 M acidic KMnO_(4) is required to completely oxidise (NH_(4))_(2)C_(2)O_(4) . Q. The percentage purity of cyanogen

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