Chemistry · Coordination Chemistry
A yellow-colored complex P upon addition of aqueous HNO3 forms a very pale violet-colored complex Q. Complex Q on reaction with NaCl forms a yellow-colored complex R. The species P, Q and R, respectively, that are consistent with the above observations, are:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1P = [Fe(H2O)5(NH3)]3+; Q = [Fe(H2O)6]3+ and R = [Fe(H2O)3Cl3]
- 2P = [Fe(H2O)5(NH3)]2+; Q = [Fe(H2O)5(NH3)]3+ and R = [Fe(H2O)5Cl]2+
- 3P = [Fe(H2O)5(OH)]+; Q = [Fe(H2O)6]2+ and R = [Fe(H2O)5(Cl)]2+
- 4P = [Fe(H2O)5(OH)]2+; Q = [Fe(H2O)6]3+ and R = [Fe(H2O)5(Cl)]2+✓
Correct answer
P = [Fe(H2O)5(OH)]2+; Q = [Fe(H2O)6]3+ and R = [Fe(H2O)5(Cl)]2+
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