(i) Draw the geometrical isomers of complex [Co(en)_2Cl_2]^+. (ii) On the basis of crystal field theory, write the el

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Q 2640080813.     (i) Draw the geometrical isomers of complex [Co(en)_2Cl_2]^+.
(ii) On the basis of crystal field theory, write the electronic configuration for d^4 ion if ∆_0 > P.
(iii) [NiCl_4]^(2-) is paramagnetic, while [Ni(CO)_4] is diamagnetic, though both are tetrahedral. Why? (Atomic number of Ni = 28)
CBSE-12th 2015

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