Which of the following statements is correct?

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(D) For option $A$: The complex $[NiCl_4(NH_3)_2]^{2-}$ follows the formula $[Ma_4b_2]$,which exhibits geometrical isomerism (cis and trans forms).For

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$A$ and $C$ both

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(D) For option $A$: The complex $[NiCl_4(NH_3)_2]^{2-}$ follows the formula $[Ma_4b_2]$,which exhibits geometrical isomerism (cis and trans forms).For option $B$: $[Pt(NH_3)_2Cl_2]$ is a square planar complex $([Ma_2b_2])$ and exhibits cis-trans isomerism,not Fac-mer isomerism.For option $C$: $CoCl_3 \cdot 6H_2O$ can exist as $[Co(H_2O)_6]Cl_3$,$[Co(H_2O)_5Cl]Cl_2 \cdot H_2O$,and $[Co(H_2O)_4Cl_2]Cl \cdot 2H_2O$,thus exhibiting hydrate isomerism.Therefore,both $A$ and $C$ are correct.

Similar Questions

Identify the complex compound$(s)$ which is/are optically active and whose optical activity does not depend upon the orientation of the ligands around the metal cation:
$(i). [CoCl_3(NH_3)_3]$
$(ii). [Co(en)_3]Cl_3$
$(iii). [Co(C_2O_4)_2(NH_3)_2]^-$
$(iv). [CrCl_2(NH_3)_2(en)]^+$

Which of the following complexes is colored?

Explain paramagnetism and diamagnetism.

The total possible coordination isomers for the following compounds respectively are :
$[Co(en)_3] [Cr(C_2O_4)_3]$
$[Cu(NH_3)_4] [CuCl_4]$
$[Ni(en)_3] [Co(NO_2)_6]$

Which of the following complex ions does not absorb visible light?

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