Coordination CompoundHard

Question

Which of the following statements is correct for complex [Cr(NH3)(CN)4(NO)]2 - (given that n = 1)?

Options

A.It is d2sp3 hybridised
B.The chromium is in + I oxidation state
C.It is heteroleptic complex and its aqueous solution is coloured
D.All of these.

Solution


Central metal ion has one unpaired electron and thus d-d transition of electron is possible. This attributes to the colour of the solution. As different types of ligands are attached to central metal ion, the complex is called heteroleptic complex.

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