1.

Explain the following: (i) CO is stronger ligand than NH_(3).(ii) Low spin octahedral complexes of nickel are not known.(iii) Aqueous solution of [Ti(H_(2)O)_(6)]^(3+) is coloured.

Answer»

SOLUTION :(i) CO has high value of crystal field splitting energy than Cl.
(ii) Ni has `d^(8)` configuration which does not affect by field strength of ligand.
(iii) In this CASE,`Ti^(+3)` has `t_(2G)^(1) e_(g)^(0)` configuration. It can perform d-d transition.


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