Question

Find EAN of Co³⁺ in Co [NH₃]₆³⁺.

Answer 1

EAN of Co³⁺ in Co [NH₃]₆³⁺:

Z = 27 (for Co)

Y = e⁻ donated by ligands = 12

(6NH₃ × 2 = 12)

X = e⁻ lost by metal = 3

∴  EAN of Co³⁺ in Co[NH₃]₆³⁺

= Z − X + Y

= 27 − 3 + 12

= 36