JEE Mains · Chemistry · STD 12 - 4. d and f- block elements
Which one of the following when dissolved in water gives coloured solution in nitrogen atmosphere?
- A \(\mathrm{CuCl}_{2}\)
- B \(\mathrm{AgCl}\)
- C \(\mathrm{ZnCl}_{2}\)
- D \(\mathrm{Cu}_{2} \mathrm{Cl}_{2}\)
Answer & Solution
Correct Answer
(A) \(\mathrm{CuCl}_{2}\)
Step-by-step Solution
Detailed explanation
\((A)\) \(\mathrm{CuCl}_{2}+\mathrm{nH}_{2} \mathrm{O} \rightarrow \mathrm{Cu}_{\left(\mathrm{aq}_{.}\right)}^{+2}\) \(\quad\quad\quad\quad\quad\quad\quad\quad\)blue colour \((B)\) \(\mathrm{AgCl}+\mathrm{nH}_{2} \mathrm{O} \rightarrow\) Insoluble \((C)\)…
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