CBSE Class 12 Chemistry 2018 Solved Paper

Question : 3

Total: 26

Write the co-ordination number and oxidation state of Platinum in the complex [Pt(en)2‌Cl2].

Solution:

Co-ordination number = Denticity × 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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