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  4. The sum of coordination number and oxidation number of the metal M in the complex [M(en)2(C2O4)]Cl (where en is ethylenediamine) is :-

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Q. The sum of coordination number and oxidation number of the metal M in the complex $[M(en)_2(C_2O_4)]Cl$ (where en is ethylenediamine) is :-

AIPMTAIPMT 2015Coordination Compounds

Solution:

$[M(en)_2(C_2O_4)]Cl$
oxidation state of M = + 3
Coordination number of M = 6
. Sum of oxidation state + coordination number
= 3 + 6 = 9