CBSE Class 12 Chemistry 2018 Solved Paper

Question : 3 of 26

Marks: +1, -0

Write the co-ordination number and oxidation state of Platinum in the complex

[ {\Pt}( {\en})_2 {\Cl}_2]

Solution:

Co-ordination number

=

Denticity

\times

Number of ligand

=2 × 2+2 × 1=6

Charge on complex

=0

Therefore,

[x+(0 × 2)+(-1 × 2)]=0

x=+2

Oxidation state of

{\Pt}=+2

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