Nomenclature

5.33 g of $\ce{CrCl3.6H2O}$, which is a 1 : 3 electrolyte, is dissolved in water and is passed through a cation exchanger. The chloride ions in the eluted solution, on treatment with $\ce{AgNO3}$ results in 8.61 g of AgCl. The ratio of moles of complex reacted and moles of AgCl formed is ________ $\times10^{-2}$. (Nearest integer)
[Molar mass in g mol$^{-1}$ Cr : 52, Ag : 108, Cl : 35.5, H : 1, O : 16]

An excess of $\ce{AgNO3}$ is added to 100 mL of a 0.05 M solution of tetraaquadichloridochromium (III) chloride. The number of moles of AgCl precipitated will be ________ $\times10^{-3}$. (Nearest integer)

During sodium nitroprusside test of sulphide ion in an aqueous solution, one of the ligands coordinated to the metal ion is converted to

The number of zinc ions present in the molecular formula of Q is _____.

The spin-only magnetic moment value of an octahedral complex among $\mathrm{CoCl_3\cdot4NH_3}$, $\mathrm{NiCl_2\cdot6H_2O}$ and $\mathrm{PtCl_4\cdot2HCl}$, which upon reaction with excess of $\mathrm{AgNO_3}$ gives 2 moles of AgCl is ______ B.M. (Nearest Integer)

Given below are two statements.

• Statement I: In $\mathrm{CuSO_4\cdot5H_2O}$, Cu-O bonds are present.

• Statement II: In $\mathrm{CuSO_4\cdot5H_2O}$, ligands coordinating with Cu(II) ion are O-and S-based ligands.

In the light of the above statements, choose the correct answer from the options given below.

For the reaction given below :

$\mathrm{CoCl_3\cdot xNH_3+AgNO_3(aq)\rightarrow}$

If two equivalents of AgCl precipitate out, then the value of $x$ will be ______.

In the following brown complex, the oxidation state of iron is +______.

$$\mathrm{[Fe(H_2O)_6]^{2+}+NO\rightarrow\underset{Brown\ complex}{[Fe(H_2O)_5(NO)]^{2+}}+H_2O}$$

The conductivity of a solution of complex with formula $\mathrm{CoCl_3(NH_3)_4}$ corresponds to 1:1 electrolyte, then the primary valency of central metal ion is ______

$\mathrm{Fe^{3+}}$ cation gives a prussian blue precipitate on addition of potassium ferrocyanide solution due to the formation of :

Sum of oxidation state (magnitude) and coordination number of cobalt in Na[Co(bpy)Cl$_4$] is _______.

(Given: bpy = 2,2′-bipyridine, structure shown)

In the ring test of NO$_3^-$ ion what is the oxidation number of iron in the complex (brown ring) [Fe(H$_2$O)$_5$NO]SO$_4$ ?

Precipitate $\mathbf X$ is

Among the following, the brown ring is due to the formation of

The ammonia prepared by treating ammonium sulphate with calcium hydroxide is completely used by $\ce{NiCl2.6H2O}$ to form a stable coordination compound. Assume that both the reactions are 100% complete. If 1584 g of ammonium sulphate and 952 g of $\ce{NiCl2.6H2O}$ are used in the preparation, the combined weight (in grams) of gypsum and the nickel-ammonia coordination compound thus produced is ______.

(Atomic weights in g mol⁻¹: H = 1, N = 14, O = 16, S = 32, Cl = 35.5, Ca = 40, Ni = 59)

$\ce{[Co2(CO)8]}$ displays :

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

Which of the following is an example of homoleptic complex ?

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