Coordination Compounds 2 Question 62

####64. EDTA $^{4-}$ is ethylenediaminetetraacetate ion. The total number of $N-Co-O$ bond angles in [Co(EDTA) $]^{-}$ complex ion is

(2013 Adv.)

Subjective Questions

Show Answer

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 $-COO^{-}$groups

The structure of a chelate of a divalent $Co^{2+}$ with EDTA is shown as

Each $N$ has four $N-Co-O$ bonds thus total eight $N-Co-O$ bonds.



NCERT Chapter Video Solution

Dual Pane