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Urea reacts with water to form \( A \) which will decompose to form \( B . B \) when passed through \( \mathrm{Cu}^{2+} …

Q1

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

[NEET 2020]

a

\( \left[\mathrm{Cu}\left(\mathrm{NH}_{3}\right)_{4}\right]^{2+} \)

b

\( \mathrm{Cu}(\mathrm{OH})_{2} \)

c

\( \mathrm{CuCO}_{3} \cdot \mathrm{Cu}(\mathrm{OH})_{2} \)

d

\( \mathrm{CuSO}_{4} \)

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