Coordination Compounds - Result Question 8

####10. The complexes [Co(NH3)6][Cr(CN)6] and [Cr(NH3)6][Co(CN)6] are the examples of which type of isomerism?

[2011]

(a) Linkage isomerism

(b) Ionization isomerism

(c) Coordination isomerism

(d) Geometrical isomerism

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Solution:

  1. (c)

Interchange of ligand between the complexes give isomers e.g.

[Co(NH3)6][Cr(CN)6] is an isomer of [Co(CN)6] [Cr .(NH3)6]

Coordination isomerism occurs when cationic and anionic complexes of different metal ions are present in a salt.



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