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NEET 2015
Exam
NEET
Year
2015
Subject
Chemistry
Chapter
Coordination Compounds

NEET 2015 · Chemistry · Coordination Compounds

The sum of coordination number and oxidation number of metal M in...

The sum of coordination number and oxidation number of metal M in the complex \left[M{\left(\text{ en }\right)}_{2}\left({C}_{2}{O}_{4}\right)\right]Cl (Where en is ethylenediamine) is:

Options

  1. A9
  2. B6
  3. C7
  4. D8

Correct answer

A. 9

Step-by-step solution

[M(en)2(C2O4)]Cl\left[M{\left(en\right)}_{2}\left({C}_{2}{O}_{4}\right)\right]Cl

Oxidation state of M = +3

en and oxalate ion are bidentate ligands. So, Coordination number of M = 6

Sum of oxidation state + Coordination number = 3 + 6 = 9

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