1.

For a blue coloured solution obtained in column-2, select the only correct option.

Answer»

1,d,S
2,d,Q
3,b,Q
4,a,P

SOLUTION :`Ni^(2+)+"excess"NH_3(aq)tounderset("deep blue coloured solution")([Ni(NH_3)_6]^(2+))`
`Ni^(2+), 3d^8, t_(2g)^(2,2,2)e_g^(1,1)implies sp^3d^2`
n=2 paramagnetic & octahedral complex `CO^(3+), 3d^8, t_(2g)^(2,2,2)e_g^(1,1)implies sp^3d^2`
n=2, paramagnetic & octahedral complex


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