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(A) $(i)$ $[Cr(NH_3)_6][Cr(CN)_6]$ and $[Cr(NH_3)_4(CN)_2][Cr(NH_3)_2(CN)_4]$ are coordination isomers because they involve the exchange of ligands be

Vedclass · Accepted Answer

$i$ only

Vedclass · Answer

(A) $(i)$ $[Cr(NH_3)_6][Cr(CN)_6]$ and $[Cr(NH_3)_4(CN)_2][Cr(NH_3)_2(CN)_4]$ are coordination isomers because they involve the exchange of ligands between cationic and anionic coordination spheres. This statement is correct.$(ii)$ $[Cr(py)_2(H_2O)_2Cl_2]Cl$ and $[Cr(py)_2(H_2O)Cl_3]H_2O$ are hydrate isomers,not linkage isomers. This statement is incorrect.$(iii)$ $[Pt(NH_3)_4Br_2]Cl_2$ and $[Pt(NH_3)_4Cl_2]Br_2$ are ionization isomers,not linkage isomers. This statement is incorrect.$(iv)$ Tetrahedral complexes of the type $[Ma_2b_2]$ do not exhibit geometrical isomerism because all positions in a tetrahedron are adjacent to each other. This statement is incorrect.Therefore,only statement $(i)$ is correct.

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