1.

The CN of Ni^(+2)=4 NiCl_(2)+KCN_("excess")toA (cyano complex) NiCl_(2)+conc.KCl_("(excess)")toB (Chloro complex) Predict the magnetic nature of A and B

Answer»

Both the DIAMAGNETIC
Both are paramagnetic
A is diamagnetic and B is PARA magnetic with 1 unpaired `e^(-)`
A is diamagnetic and B in para magnetic with 2 unpaired `e^(-)`

Solution :`K_(2)[underset((A))Ni(CN)_(4)]to` Diamagnetic is SFL, all electron gent paired.
`K_(2)[underset((B))Ni(Cl)_(4)]to` Paramagnetic, 2 unpaired electrons is WFL.


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