The coordination numbers of C o and A l in C o C l e n 2 C l and K 3 A l C 2 O 4 3 , respectively are: (en =…

The coordination numbers of Co and Al in CoClen2Cl and K3AlC2O43, respectively are:
(en = ethane-1, 2-diamine)
  1. 3 and 3
  2. 5 and 3
  3. 5 and 6
  4. 6 and 6

Solution

Compound CoClen2+
Since Cl- is monodentate ligand, en →  bidentate ligand
Co-ordination number =1+2×2=5
Compound CoC2O433-
OX2-→ bidentate ligand co-ordination number = 3 × 2 = 6

Asked in: JEE Main 2019 (12 Apr Shift 2)

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