The ionic radii of A$^{+}$ and B$^{-}$ ions are $0.98 \times 10^{-10}$ m and $1.81 \times 10^{-10}$ m. The coordination number of each ion in AB is

HgCl$_2$ and $I_2$ both when dissolved in water containing $I^-$ ions form the pair of species.

Pick out the correct statement with respect to $[$Mn(CN)$_6]^{3-}.$

The correct order of the stoichiometries of AgCl formed when AgNO$_3$ in excess is treated with the complexes: $$CoCl$_3 \cdot 6$NH$_3,$CoCl$_3 \cdot 5$NH$_3,$CoCl$_3 \cdot 4$NH$_3$ respectively is

Correct increasing order for the wavelengths of absorption in the visible region for the complexes of Co$^{3+}$ is

Which is the incorrect statement?

Match the metal ions given in Column I with the spin magnetic moments of the ions given in Column II and assign the correct code:

Iron carbonyl, Fe(CO)$_5$ is

The type of isomerism shown by the complex $[CoCl_2(en)_2]$ is

The geometry and magnetic behavior of the complex $[Ni(CO)_4]$ are

Iron exhibits bcc structure at room temperature. Above $900^\circ$C$,$ it transforms to fcc structure. The ratio of density of iron at room temperature to that at $900^\circ$C$$ (assuming molar mass and atomic radii of iron remains constant with temperature) is

Enzymes that utilize ATP in phosphate transfer require an alkaline earth metal (M) as the cofactor. M is:

What is the correct electronic configuration of the central atom in $K_4[Fe(CN)_6]$ based on crystal field theory?

The manganate and permanganate ions are tetrahedral, due to:

The calculated spin only magnetic moment of $Cr^{2+}$ ion is:

Which of the following is the correct order of increasing field strength of ligands to form coordination compounds?

Ethylene diaminetetraacetate (EDTA) ion is:

Match List - I with List - II.

Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).$\newline$Assertion (A): In a particular point defect, an ionic solid is electrically neutral, even if a few of its cations are missing from its unit cells.$\\$Reason (R): In an ionic solid, Frenkel defect arises due to the dislocation of cation from its lattice site to an interstitial site, maintaining overall electrical neutrality.

The IUPAC name of the complex $[Ag(H_2O)_2][Ag(CN)_2]$ is:

Match List - I with List - II.

Match List - I with List- II. Choose the correct answer from the options given below:

The order of energy absorbed which is responsible for the color of complexes is given for:$\\ (A) [$Ni(H$_2O)_2($en$)_2]^{2+} \\ (B) [$Ni(H$_2O)_4($en$)]^{2+} \\ (C) [$Ni(en)$_3]^{2+}$. Choose the correct order:

Homoleptic complex from the following complexes is:

Assertion A: Metallic sodium dissolves in liquid ammonia giving a deep blue solution, which is paramagnetic.$\\$Reason R: The deep blue solution is due to the formation of amide.$\\$Choose the correct answer from the options given below:

Which of the following compound is most stable?

What fraction of one edge centered octahedral void lies in one unit cell of FCC?

$\newline$‘Spin only’ magnetic moment is same for which of the following ions? $\newline$ $\newline$(A) Ti³⁺ $\newline$(B) Cr²⁺ $\newline$(C) Mn²⁺ $\newline$(D) Fe²⁺ $\newline$(E) Sc³⁺$\newline$Choose the most appropriate answer from the options given below:

$\newline$Given below are two statements: $\newline$Statement I: Both [Co(NH₃)₆]³⁺ and [CoF₆]³⁻ complexes are octahedral but differ in their magnetic behavior. $\newline$Statement II: [Co(NH₃)₆]³⁺ is diamagnetic whereas [CoF₆]³⁻ is paramagnetic. $\newline$ $\newline$In the light of the above statements, choose the correct answer from the options given below:

$\newline$Given below are two statements: $\newline$ $\newline$Statement I: [Co(NH₃)₆]³⁺ is a homoleptic complex whereas [Co(NH₃)₄Cl₂]⁺ is a heteroleptic complex. $\newline$ $\newline$Statement II: Complex [Co(NH₃)₆]³⁺ has only one kind of ligand but [Co(NH₃)₄Cl₂]⁺ has more than one kind of ligands. $\newline$ $\newline$Choose the correct answer: