Inorganic Chemistry PYQ — Page 37

Which one of the following complexes is violet in colour?

The number of geometrical isomers possible in triamminetrinitrocobalt $(\mathrm{III})$ is $X$ and in trioxalatochromate $(\mathrm{III})$ is $Y.$ Then the value of $X+Y$ is $____.$

The set having ions which are coloured and paramagnetic both is -

Which one of the following metal complexes is most stable?

Which one of the following species responds to an external magnetic field?

Match List$-I$ with List$-\mathrm{II}$ <table class="pyq-table"><tbody><tr><td></td><td>List$-I$</td><td></td><td>List$-\mathrm{II}$</td></tr><tr><td>(a)</td><td>Chlorophyll</td><td>(i)</td><td>Ruthenium</td></tr><tr><td>(b)</td><td>Vitamin$-{B}_{12}$</td><td>(ii)</td><td>Platinum</td></tr><tr><td>(c)</td><td>Anticancer drug</td><td>(iii)</td><td>Cobalt</td></tr><tr><td>(d)</td><td>Grubbs catalyst</td><td>(iv)</td><td>Magnesium</td></tr></tbody></table>Choose the most appropriate answer from the options given below:

${[\mathrm{Ti}{({H}_{2}O)}_{6}]}^{3+}$ absorbs light of wavelength $498\mathrm{nm}$ during a $d-d$ transition. The octahedral splitting energy for the above complex is _______ $\times {10}^{-19}J$. (Round off to the Nearest Integer). $h=6.626\times {10}^{-34}\mathrm{Js};c=3\times {10}^{8}{\mathrm{ms}}^{-1}$.

Given below are two statements: Statement I : The identification of ${\mathrm{Ni}}^{2+}$ is carried out by dimethyl glyoxime in the presence of ${\mathrm{NH}}_{4}\mathrm{OH}$. Statement II :The dimethyl glyoxime is a bidentate neutral ligand. In the light of the above statements, choose the correct answer from the options given below:

The equivalents of ethylene diamine required to replace the neutral ligands from the coordination sphere of the trans-complex of ${\mathrm{CoCl}}_{3}.4{\mathrm{NH}}_{3}$ is _______ . (Round off to the Nearest Integer).

The incorrect statement is:

What is the spin-only magnetic moment value (B.M.) of a divalent metal ion with atomic number $25,$ in its aqueous solution?

Match List-I with List-II <table class="pyq-table"><tbody><tr><td></td><td>List-I</td><td></td><td>List-II</td></tr><tr><td></td><td>Test/Reagents/Observation(s)</td><td></td><td>Species detected</td></tr><tr><td>(a)</td><td>Lassaigne's Test</td><td>(i)</td><td>Carbon</td></tr><tr><td>(b)</td><td>Cu(II) oxide</td><td>(ii)</td><td>Sulphur</td></tr><tr><td>(c)</td><td>Silver nitrate</td><td>(iii)</td><td>$N,S,P$, and halogen</td></tr><tr><td>(d)</td><td>The sodium fusion extract gives black precipitate with acetic acid and lead acetate</td><td>(iv)</td><td>Halogen Specifically</td></tr></tbody></table>The correct match is :

$3$ moles of metal complex with formula $\mathrm{Co}(\mathrm{en}{)}_{2}{\mathrm{Cl}}_{3}$ gives $3$ moles of silver chloride on treatment with excess of silver nitrate. The secondary valency of $\mathrm{Co}$ in the complex is (Round off to the nearest integer)

The spin-only magnetic moment value for the complex ${[\mathrm{Co}(\mathrm{CN}{)}_{6}]}^{4-}$ is...... $\mathrm{BM}$. (nearest integer value) [At. no. of $\mathrm{Co}=27$]

What is the correct order of the following elements with respect to their density?

Match List-I with List-II <table class="pyq-table"><tbody><tr><td></td><td>List-I</td><td></td><td>List-II</td></tr><tr><td></td><td>Name of oxo acid</td><td></td><td>Oxidation state of '$P$</td></tr><tr><td>(a)</td><td>Hypophosphorous acid</td><td>(i)</td><td>$+5$</td></tr><tr><td>(b)</td><td>Orthophosphoric acid</td><td>(ii)</td><td>$+4$</td></tr><tr><td>(c)</td><td>Hypophosphoric acid</td><td>(iii)</td><td>$+3$</td></tr><tr><td>(d)</td><td>Orthophosphorous acid</td><td>(iv)</td><td>$+2$</td></tr><tr><td></td><td></td><td>(v)</td><td>$+1$</td></tr></tbody></table>Choose the correct answer from the options given below :

The number of species having non-pyramidal shape among the following is: $(A){\mathrm{SO}}_{3}$ $(B){\mathrm{NO}}_{3}^{-}$ $(C){\mathrm{PCl}}_{3}$ $(D){\mathrm{CO}}_{3}^{2-}$

The hybridization and magnetic nature of ${[\mathrm{Mn}{(\mathrm{CN})}_{6}]}^{4-}$ and ${[\mathrm{Fe}{(\mathrm{CN})}_{6}]}^{3-},$ respectively are :

The oxide without nitrogen-nitrogen bond is :

Arrange the following metal complex/ compounds in the increasing order of spin only magnetic moment. Presume all the three, high spin system. (Atomic numbers $\mathrm{Ce}=58,\mathrm{Gd}=64$ and $\mathrm{Eu}=63$.) (a) ${({\mathrm{NH}}_{4})}_{2}[\mathrm{Ce}{({\mathrm{NO}}_{3})}_{6}]$ (b) $\mathrm{Gd}{({\mathrm{NO}}_{3})}_{3}$ and (c) $\mathrm{Eu}{({\mathrm{NO}}_{3})}_{3}$

The major components in "Gun Metal" are:

Potassium permanganate on heating at $513K$ gives a product which is :

Which among the following species has unequal bond lengths?

Compound $A$ used as a strong oxidizing agent is amphoteric in nature. It is the part of lead storage batteries. Compound $A$ is: