(a) For the complex `[Fe(CN)_(6)]^(3-)` , write the hybridisation type, magnetic character and spin nature of the complex .(At. Number : Fe = 26)
(b) Draw one of the geometrical isomers of the complex `[Pt(en)_(2)Cl_(2)]^(2+)` which is optically active .

Explanation

(a) `d^(2)sp^(3)` , paramagnetic , low spin complex . For details , consult section 10 .
(b) For details , consult section 7 .