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Urea reacts with water to form A which will decompose to form B. B when passed through Cu2+(aq)Cu^{2+}(aq), deep blue colour solution C is formed. What is the formula of C from the following?

A

CuSO4CuSO_4

B

[Cu(NH3)4]2+[Cu(NH_3)_4]^{2+}

C

Cu(OH)2Cu(OH)_2

D

CuCO3⋅Cu(OH)2CuCO_3 \cdot Cu(OH)_2

Step-by-Step Solution

NH2CONH2+H2O→(NH4)2CO3(A)→ΔNH3(g)+CO2(g)+H2O(l)(B)NH_2CONH_2 + H_2O \rightarrow (NH_4)_2CO_3 (A) \xrightarrow{\Delta} NH_3(g) + CO_2(g) + H_2O(l) (B). Then, NH3(g)+Cu2+(aq)→[Cu(NH3)4]2+(C)NH_3(g) + Cu^{2+}(aq) \rightarrow [Cu(NH_3)_4]^{2+} (C) (Blue coloured solution).

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Solved: Chemistry Question for NEET | Sushrut