Question:

Type of isomerism which exists between \([\mathrm{Pd(C_6H_5)_2(SCN)_2}]\) and \([\mathrm{Pd(C_6H_5)_2(NCS)_2}]\) is :

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The thiocyanate ligand can bind through S (SCN) or through N (NCS).
Updated On: Oct 31, 2026
  • Linkage isomerism
  • Coordination isomerism
  • Ionisation isomerism
  • Solvate isomerism
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The Correct Option is A

Solution and Explanation

The two complexes have the same formula and the same ligands, \(\mathrm{C_6H_5^-}\) and the thiocyanate ion.
In the first, the thiocyanate is bonded through sulphur (\(\mathrm{SCN^-}\)); in the second it is bonded through nitrogen (\(\mathrm{NCS^-}\)).
An ambidentate ligand that binds through different donor atoms gives linkage isomers.
Answer: (1) Linkage isomerism
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