Due to the presence of nambidentate ligands coordination compounds show isomerism. Palladium complexes of the type $[P d (C_{6} H_{5})_{2} (N O_{2})_{2}]$ and $[P d (C_{6} H_{5})_{2} (O N O)_{2}]$ are?

Linkage isomers

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Coordination isomers

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Ionisation isomers

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Geometrical isomers

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Solution

The correct option is A Linkage isomers
Ambidentate ligand $S C N^{-}$ ion has donor atoms N and S. It links to metal as either $M - S C N$ or $M - N C S$ . Complexes containing ambidentate ligands shows linkage isomerism.

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Due to the presence of ambidentate ligands coordination compounds show isomerism. Palladium complexes of the type $[P d (C_{6} H_{5})_{2} (S C N)_{2}]$ and $[P d (C_{6} H_{5})_{2} (N C S)_{2}]$ are
(a) linkage isomers
(b) coordination isomers
(c) ionisation isomers
(d) geometrical isomers

Q. Assertion :Tetrahedral complexes having two different types of unidentate ligands coordinated with central metal ion will show geometrical isomerism. Reason: Geometrical isomerism arises in homoleptic complexes due to different possible geometric arrangement of the ligands.

Q. Assertion :In a coordination entity

[P t C l_{2} (e n)_{2}]^{2 +}

only the cis-isomer shows optical activity. Reason: Optical isomerism is common in octahedral complexes involving didentate ligands.

Q. A metal complex of coordination number six having three different types of ligands

a, b

and

c

of composition

M a_{2} b_{2} c_{2}

can exist in several geometrical isomeric forms; the total number of such isomers is

Q. Why is geometrical isomerism not possible in tetrahedral complexes having two different types of unidentate ligands coordinated with the central metal ion ?

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Due to the presence of nambidentate ligands coordination compounds show isomerism. Palladium complexes of the type [Pd(C6H5)2(NO2)2] and [Pd(C6H5)2(ONO)2] are?

The correct option is A Linkage isomersAmbidentate ligand SCN− ion has donor atoms N and S. It links to metal as either M−SCN or M−NCS. Complexes containing ambidentate ligands shows linkage isomerism.

Due to the presence of nambidentate ligands coordination compounds show isomerism. Palladium complexes of the type $[P d (C_{6} H_{5})_{2} (N O_{2})_{2}]$ and $[P d (C_{6} H_{5})_{2} (O N O)_{2}]$ are?

The correct option is A Linkage isomers
Ambidentate ligand $S C N^{-}$ ion has donor atoms N and S. It links to metal as either $M - S C N$ or $M - N C S$ . Complexes containing ambidentate ligands shows linkage isomerism.