MCQ
Excess of $aq. NH_3$ can dissolve
- A$AgCl$
- B$CrCl_3$
- C$ZnCl_2$
- ✓All
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$C{H_3}N{H_2} + X + KOH \to C{H_3}NC$ (highly offensive odour)
[Assume $100 \%$ ionisation of the complex and $CaCl _{2},$ coordination number of $Cr$ as $6,$ and that all $NH _{3}$ molecules are present inside the coordination sphere $]$
