1.

In how many of the following compounds 'd' orbital (which contains no nodal plane) is used in hybridisation of central atom/ion ? Fe(CO)_(5),""MnO_(4)^(-),""Co(C_(2)O_(4))_(3)^(-3), NiCl_(2)(PPh_(3))_(2),""PtCl_(4)^(2-),""Ni(CN)_(4)^(-2), Ni(CN)_(4)^(-4)

Answer»


Solution :`d_(z^(2))` is used in hyb. In `FE(CO)_(5),Co(C_(2)O_(4))_(3)^(3-)`.


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