CBSE Class 12 Chemistry 2016 Delhi Set 1 Solved Paper

Question : 22 of 26

Marks: +1, -0

(a) For the complex

[ {\Fe}( {\CN})_6] ^{3-}

, write the hybridization, 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.

Solution:

Hybridization

-d^2 s p^3

(octahedral), Magnetic character - Paramagnetic, Spin nature - Low spin complex
(b)

The cis form of he complex

[ {\Pt}( {\en})_2 {\Cl}_2] ^{2+}

is optically active.

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