Inorganic Chemistry PYQ — Page 31

Match List - I with List - II <table class="pyq-table"><tbody><tr><td></td><td>List-II</td><td></td><td>List-II</td></tr><tr><td>A</td><td>${N}_{2}(g)+3{H}_{2}(g)\rightarrow 2{\mathrm{NH}}_{3}(g)$</td><td>I</td><td>$\mathrm{Cu}$</td></tr><tr><td>B</td><td>$\mathrm{CO}(g)+3{H}_{2}(g)\rightarrow {\mathrm{CH}}_{4}(g)+{H}_{2}O(g)$</td><td>II</td><td>$\mathrm{Cu}/\mathrm{ZnO}-{\mathrm{Cr}}_{2}{O}_{3}$</td></tr><tr><td>C</td><td>$\mathrm{CO}(g)+{H}_{2}(g)\rightarrow \mathrm{HCHO}(g)$</td><td>III</td><td>${\mathrm{Fe}}_{x}{O}_{y}+{K}_{2}O+{\mathrm{Al}}_{2}{O}_{3}$</td></tr><tr><td>D</td><td>$\mathrm{CO}(g)+2{H}_{2}(g)\rightarrow {\mathrm{CH}}_{3}\mathrm{OH}(g)$</td><td>IV</td><td>$\mathrm{Ni}$</td></tr></tbody></table>Choose the correct answer from the options given below

Given below are the oxides : ${\mathrm{Na}}_{2}O,{\mathrm{As}}_{2}{O}_{3},{N}_{2}O,\mathrm{NO}$ and ${\mathrm{Cl}}_{2}{O}_{7}$ Number of amphoteric oxides is :

The coordination number of central metal ion in [Fe(CN)₆]⁴⁻ is:

The oxoacid of phosphorus that is easily obtained from a reaction of alkali and white phosphorus and has two $P-H$ bonds, is

In neutral or alkaline solution, ${\mathrm{MnO}}_{4}^{-}$ oxidises thiosulphate to

The incorrect statement is

The spin-only magnetic moment value of ${M}^{3+}$ ion (in gaseous state) from the pairs ${\mathrm{Cr}}^{3+}/{\mathrm{Cr}}^{2+},{\mathrm{Mn}}^{3+}/{\mathrm{Mn}}^{2},{\mathrm{Fe}}^{3+}/{\mathrm{Fe}}^{2+}$ and ${\mathrm{Co}}^{3+}/{\mathrm{Co}}^{2+}$ that has negative standard electrode potential, is_____ $B.M.$

The metal complex that is diamagnetic is (Atomic number : $\mathrm{Fe},26;\mathrm{Cu},29$)

Low oxidation state of metals in their complexes are common when ligands

Arrange the following coordination compounds in the increasing order of magnetic moments. (Atomic numbers: $\mathrm{Mn}=25;\mathrm{Fe}=26$) A. ${[{\mathrm{FeF}}_{6}]}^{3-}$ B. ${[\mathrm{Fe}{(\mathrm{CN})}_{6}]}^{3-}$ C. ${[{\mathrm{MnCl}}_{6}]}^{3-}$ (high spin) D. ${[\mathrm{Mn}{(\mathrm{CN})}_{6}]}^{3-}$ Choose the correct answer from the options given below

Given below are two statements : Statement I: ${[\mathrm{Ni}{(\mathrm{CN})}_{4}]}^{2-}$ is square planar and diamagnetic complex, with ${\mathrm{dsp}}^{2}$ hybridization for $\mathrm{Ni}$ but $[\mathrm{Ni}{(\mathrm{CO})}_{4}]$ is tetrahedral, paramagnetic and with ${\mathrm{sp}}^{3}$ hybridication for $\mathrm{Ni}$. Statement II : ${[{\mathrm{NiCl}}_{4}]}^{2-}$ and $[\mathrm{Ni}{(\mathrm{CO})}_{4}]$ both have same d-electron configuration, have same geometry and are paramagnetic. In light the above statements, choose the correct answer form the options given below

White precipitate of $\mathrm{AgCl}$ dissolves in aqueous ammonia solution due to formation of

If ${[\mathrm{Cu}{({H}_{2}O)}_{4}]}^{2+}$ absorbs a light of wavelength $600\mathrm{nm}$ for $d-d$ transition, then the value of octahedral crystal field splitting energy for ${[\mathrm{Cu}{({H}_{2}O)}_{6}]}^{2+}$ will be____$\times {10}^{-21}J$ [Nearest integer] (Given : $h=6.63\times {10}^{-34}\mathrm{Js}$ and $c=3.08\times {10}^{8}{\mathrm{ms}}^{-1}$)

Match List - I with List - II : <table class="pyq-table"><tbody><tr><td></td><td>List-II</td><td></td><td>List-II</td></tr><tr><td>(A)</td><td>${[{\mathrm{PtCl}}_{4}]}^{2-}$</td><td>(I)</td><td>${\mathrm{sp}}^{3}d$</td></tr><tr><td>(B)</td><td>${\mathrm{BrF}}_{5}$</td><td>(II)</td><td>${d}^{2}{\mathrm{sp}}^{3}$</td></tr><tr><td>(C)</td><td>${\mathrm{PCl}}_{5}$</td><td>(III)</td><td>${\mathrm{dsp}}^{2}$</td></tr><tr><td>(D)</td><td>${[\mathrm{Co}{({\mathrm{NH}}_{3})}_{6}]}^{3+}$</td><td>(IV)</td><td>${\mathrm{sp}}^{3}{d}^{2}$</td></tr></tbody></table>Choose the most appropriate answer from the options given below

The oxidation state of Cr in K₂Cr₂O₇ is

Arrange the following in increasing order of their covalent character. (A) ${\mathrm{CaF}}_{2}$ (B) ${\mathrm{CaCl}}_{2}$ (C) ${\mathrm{CaBr}}_{2}$ (D) ${\mathrm{CaI}}_{2}$ Choose the correct answer from the options given below.

Given below are two statements: one is labelled as Assertion and the other is labelled as Reason. Assertion: Flourine forms one oxoacid. Reason: Flourine has smallest size amongst all halogens and is highly electronegative. In the light of the above statements, choose the most appropriate answer from the Question: options given below.

Given below are two statements: Statement I : Iron (III) catalyst, acidified ${K}_{2}{\mathrm{Cr}}_{2}{O}_{7}$ and neutral ${\mathrm{KMnO}}_{4}$ have the ability to oxidise ${I}^{-}$ to ${I}_{2}$ independently. Statement II: Manganate ion is paramagnetic in nature and involves $p\pi -p\pi$ bonding. In the light of the above statements, choose the correct answer from the options.

Given below are two statements. Statement I : ${O}_{2},{\mathrm{Cu}}^{2+}$ and ${\mathrm{Fe}}^{3+}$ are weakly attracted by magnetic field and are magnetized in the same direction as magnetic field. Statement II : $\mathrm{NaCl}$ and ${H}_{2}O$ are weakly magnetized in opposite direction to magnetic field. In the light of the above statements, choose the most appropriate answer form the options given below

Match List - I with List - II. <table class="pyq-table"><tbody><tr><td></td><td>List-I (Compound)</td><td></td><td>List-II (Shape)</td></tr><tr><td>A</td><td>${\mathrm{BrF}}_{5}$</td><td>I</td><td>bent</td></tr><tr><td>B</td><td>${[{\mathrm{CrF}}_{6}]}^{3-}$</td><td>II</td><td>square pyramidal</td></tr><tr><td>C</td><td>${O}_{3}$</td><td>III</td><td>trigonal bipyramidal</td></tr><tr><td>D</td><td>${\mathrm{PCl}}_{5}$</td><td>IV</td><td>octahedral</td></tr></tbody></table>Choose the correct answer from the options given below

Cerium $(\mathrm{IV})$ has a noble gas configuration. Which of the following is correct statement about it?

Reaction of ${[\mathrm{Co}{({H}_{2}O)}_{6}]}^{2+}$ with excess ammonia and in the presence of oxygen results into a diamagnetic product. Number of electrons present in ${t}_{2g}$-orbitals of the product is

During the qualitative analysis of salt with cation ${y}^{2+}$, addition of a reagent $(X)$ to alkaline solution of the salt gives a bright red precipitate. The reagent $(X)$ and the cation $({y}^{2+})$ present respectively are :

Given below are two statements: one is labelled as Assertion $A$ and the other is labelled as Reason $R$ Assertion $A$: Boron is unable to form ${\mathrm{BF}}_{6}^{3-}$ Reason $R$: Size of $B$ is very small. In the light of the above statements, choose the correct answer from the options given below