Coordination Compounds

An octahedral complex of $\ce{Co^3+}$ is diamagnetic. The hybridisation involved in the formation of the complex is :

The correct statement about the magnetic properties of $\ce{[Fe(CN)6]^3-}$ and $\ce{[FeF6]^3-}$ is : ($Z=26$).

Consider the following equilibrium
$$\ce{AgCl v + 2NH3 <=> [Ag(NH3)2]+ + Cl-}$$
White precipitate of AgCl appears on adding which of the following ?

Which of the following name formula combinations is not correct ?

Consider the coordination compound, $\ce{[Co(NH3)6]Cl3}$. In the formation of this complex, the species which acts as the Lewis acid is :

Among the following species the one which causes the highest CFSE, $\Delta_o$ as a ligand is :

Which one of the following complexes will most likely absorb visible light ?

(At nos. Sc = 21, Ti = 22, V = 23, Zn = 30)

An octahedral complex with molecular composition $\ce{M.5NH3.Cl.SO4}$ has two isomers, A and B. The solution of A gives a white precipitate with $\ce{AgNO3}$ solution and the solution of B gives white precipitate with $\ce{BaCl2}$ solution. The type of isomerism exhibited by the complex is :

Nickel (Z = 28) combines with a uninegative monodentate ligand to form a diamagnetic complex $\ce{[NiL4]^2-}$. The hybridisation involved and the number of unpaired electrons present in the complex are respectively :

Consider the following complex ions, P, Q and R.
$$\mathbf P=\ce{[FeF6]^{3-}},\quad\mathbf Q=\ce{[V(H2O)6]^{2+}}\quad\text{and}\quad\mathbf R=\ce{[Fe(H2O)6]^{2+}}.$$
The correct order of the complex ions, according to their spin-only magnetic moment values (in B.M.) is

The pair(s) of coordination complexes/ions exhibiting the same kind of isomerism is(are)

$\ce{EDTA^{4-}}$ is ethylenediaminetetraacetate ion. The total number of N-Co-O bond angles in $\ce{[Co(EDTA)]^{1-}}$ complex ion is

The colour of light absorbed by an aqueous solution of $\ce{CuSO4}$ is

As per IUPAC nomenclature, the name of the complex $\ce{[Co(H2O)4(NH3)2]Cl3}$ is

$\ce{NiCl2\{P(C2H5)2(C6H5)\}2}$ exhibits temperature dependent magnetic behaviour (paramagnetic / diamagnetic). The coordination geometries of $\ce{Ni^{2+}}$ in the paramagnetic and diamagnetic states are respectively

For the given aqueous reactions, which of the statement(s) is (are) true?

Geometrical shapes of the complexes formed by the reaction of $\ce{Ni^{2+}}$ with $\ce{Cl-}$, $\ce{CN-}$ and $\ce{H2O}$, respectively, are

The final solution contains

Among the following complexes (K-P),

$\ce{K3[Fe(CN)6]}$ (K), $\ce{[Co(NH3)6]Cl3}$ (L), $\ce{Na3[Co(oxalate)3]}$ (M), $\ce{[Ni(H2O)6]Cl2}$ (N), $\ce{K2[Pt(CN)4]}$ (O) and $\ce{[Zn(H2O)6](NO3)2}$ (P)

the diamagnetic complexes are

The volume (in mL) of 0.1 M $\ce{AgNO3}$ required for complete precipitation of chloride ions present in 30 mL of 0.01 M solution of $\ce{[Cr(H2O)5Cl]Cl2}$, as silver chloride is close to