Coordination Compounds

Which one of the following complexes will consume more equivalents of aqueous solution of $\ce{Ag(NO3)}$ ?

Identify the correct trend given below :

(Atomic No. = Ti : 22, Cr : 24 and Mo : 42)

Which of the following is an example of homoleptic complex ?

For the octahedral complexes of $\ce{Fe^{3+}}$ in $\ce{SCN-}$ (thiocyanato-S) and in $\ce{CN-}$ ligand environments, the difference between the spin-only magnetic moments in Bohr magnetons (when approximated to the nearest integer) is

[Atomic number of Fe = 26]

If the freezing point of a 0.01 molal aqueous solution of a cobalt(III) chloride-ammonia complex (which behaves as a strong electrolyte) is −0.0558 °C, the number of chloride(s) in the coordination sphere of the complex is

[$K_f$ of water = 1.86 K kg mol⁻¹]

In the complex acetylbromidodicarbonylbis(triethylphosphine)iron(II), the number of Fe-C bond(s) is

Among the complex ions, $\ce{[Co(NH2-CH2-CH2-NH2)2Cl2]+}$, $\ce{[CrCl2(C2O4)2]^{3-}}$, $\ce{[Fe(H2O)4(OH)2]+}$, $\ce{[Fe(NH3)2(CN)4]-}$, $\ce{[Co(NH2-CH2-CH2-NH2)2(NH3)Cl]^{2+}}$ and $\ce{[Co(NH3)4(H2O)Cl]^{2+}}$, the number of complex ion(s) that show(s) cis-trans isomerism is

The number of geometric isomers that can exist for square planar $\ce{[Pt(Cl)(py)(NH3)(NH2OH)]+}$ is (py = pyridine) :

The color of $\ce{KMnO4}$ is due to :

Which molecule/ion among the following cannot act as a ligand in complex compounds ?

The correct statement on the isomerism associated with the following complex ions,

(a) $\ce{[Ni(H2O)5NH3]^2+}$, (b) $\ce{[Ni(H2O)4(NH3)2]^2+}$ and (c) $\ce{[Ni(H2O)3(NH3)3]^2+}$ is :

When concentrated HCl is added to an aqueous solution of $\ce{CoCl2}$, its colour changes from reddish pink to deep blue. Which complex ion gives blue colour in this reaction ?

Which of the following complex ions has electrons that are symmetrically filled in both $t_{2g}$ and $e_g$ orbitals ?

A list of species having the formula $\ce{XZ4}$ is given below.

$\ce{XeF4}$, $\ce{SF4}$, $\ce{SiF4}$, $\ce{BF4-}$, $\ce{BrF4-}$, $\ce{[Cu(NH3)4]^{2+}}$, $\ce{[FeCl4]^{2-}}$, $\ce{[CoCl4]^{2-}}$ and $\ce{[PtCl4]^{2-}}$.

Defining shape on the basis of the location of X and Z atoms, the total number of species having a square planar shape is

M1, Q and R, respectively are

Reagent S is

Match each coordination compound in List-I with an appropriate pair of characteristics from List-II and select the correct answer using the code given below the lists.

{en = $\ce{H2NCH2CH2NH2}$; atomic numbers: Ti = 22; Cr = 24; Co = 27; Pt = 78}

The octahedral complex of a metal ion $\ce{M^3+}$ with four monodentate ligands $L_1$, $L_2$, $L_3$ and $L_4$ absorb wavelengths in the region of red, green, yellow and blue, respectively. The increasing order of ligand strength of the four ligands is :

The equation which is balanced and represents the correct product(s) is :

Chloro compound of Vanadium has only spin magnetic moment of 1.73 BM. This Vanadium chloride has the formula : (at. no. of V = 23)