Coordination Compounds 2 Question 62

####64. EDTA 4 is ethylenediaminetetraacetate ion. The total number of NCoO bond angles in [Co(EDTA) ] complex ion is

(2013 Adv.)

Subjective Questions

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Answer:

Correct Answer: 64. (8)

Hints & Solution!

Solution:

  1. PLAN EDTA is a multidentate ligand as it can donate six pairs of electrons - two pair from the two nitrogen atoms and four pair from the four terminal oxygens of the COOgroups

The structure of a chelate of a divalent Co2+ with EDTA is shown as

Each N has four NCoO bonds thus total eight NCoO bonds.



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