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Question: Answered & Verified by Expert
The sum of coordination number and oxidation number of metal M in the complex Men2C2O4Cl (Where en is ethylenediamine) is:
ChemistryCoordination CompoundsNEETNEET 2015 (Phase 2)
Options:
  • A 9
  • B 6
  • C 7
  • D 8
Solution:
1927 Upvotes Verified Answer
The correct answer is: 9

Men2C2O4Cl

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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