Which one of the following complexes will consume more equivalents of aqueous solution of \(\mathrm{Ag(NO_3)}\) ?
Show Hint
- \(\mathrm{Na_3[CrCl_6]}\)
- \(\mathrm{[Cr(H_2O)_5Cl]Cl_2}\)
- \(\mathrm{[Cr(H_2O)_6]Cl_3}\)
- \(\mathrm{Na_2[CrCl_5(H_2O)]}\)
The Correct Option is C
Solution and Explanation
(1) \(\mathrm{Na_3[CrCl_6]}\): all Cl inside the sphere, 0 equivalents.
(2) \(\mathrm{[Cr(H_2O)_5Cl]Cl_2}\): 2 ionisable Cl, 2 equivalents.
(3) \(\mathrm{[Cr(H_2O)_6]Cl_3}\): 3 ionisable Cl, 3 equivalents.
(4) \(\mathrm{Na_2[CrCl_5(H_2O)]}\): 0 equivalents.
Answer: (3) \(\mathrm{[Cr(H_2O)_6]Cl_3}\)
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