Inorganic Chemistry PYQ — Page 38

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 $____.$

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

Which one of the following metal complexes is most stable?

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). $h=6.626\times {10}^{-34}\mathrm{Js};c=3\times {10}^{8}{\mathrm{ms}}^{-1}$.

The number of stereo isomers possible for ${[\mathrm{Co}{(\mathrm{ox})}_{2}(\mathrm{Br})({\mathrm{NH}}_{3})]}^{2-}$ is __________. [$\mathrm{ox}=$ oxalate]

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

The calculated magnetic moments (spin only value) for species ${[{\mathrm{FeCl}}_{4}]}^{2-},{[\mathrm{Co}{({C}_{2}{O}_{4})}_{3}]}^{3-}$ and ${\mathrm{MnO}}_{4}^{2-}$ respectively are:

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 :

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: $(A){\mathrm{SO}}_{3}$ $(B){\mathrm{NO}}_{3}^{-}$ $(C){\mathrm{PCl}}_{3}$ $(D){\mathrm{CO}}_{3}^{2-}$

Which among the following species has unequal bond lengths?

Match List - I with List - II: <table class="pyq-table"><tbody><tr><td colspan="2" rowspan="1">List-I (Species)</td><td colspan="2" rowspan="1">List-II (Number of lone pairs of electrons on the central atom)</td></tr><tr><td>(a)</td><td>${\mathrm{XeF}}_{2}$</td><td>(i)</td><td>$0$</td></tr><tr><td>(b)</td><td>${\mathrm{XeO}}_{2}{F}_{2}$</td><td>(ii)</td><td>$1$</td></tr><tr><td>(c)</td><td>${\mathrm{XeO}}_{3}{F}_{2}$</td><td>(iii)</td><td>$2$</td></tr><tr><td>(d)</td><td>${\mathrm{XeF}}_{4}$</td><td>(iv)</td><td>$3$</td></tr></tbody></table>Choose the most appropriate answer from the options given below:

 The class of drug to which chlordiazepoxide with above structure belongs is :

The ionic radii of ${F}^{-}$ and ${O}^{2-}$ respectively are $1.33$ $A$ and $1.4A$, while the covalent radius of $N$ is $0.74A$ The correct statement for the ionic radius of ${N}^{3-}$ from the following is :

The Crystal Field Stabilization Energy (CFSE) and magnetic moment (spin-only) of an octahedral aqua complex of a metal ion $({M}^{Z+})$ are $-0.8{\Delta }_{0}$ and $3.87$ $\mathrm{BM}$, respectively. Identify $({M}^{Z+}):$

In gaseous triethyl amine the $"-C-N-C-"$ bond angle is $____$degree.

The number of non-ionisable hydrogen atoms present in the final product obtained from the hydrolysis of ${\mathrm{PCl}}_{5}$ is :

Given below are the statements about diborane (a) Diborane is prepared by the oxidation of ${\mathrm{NaBH}}_{4}$ with ${I}_{2}$ (b) Each boron atom is in ${\mathrm{sp}}^{2}$ hybridized state (c) Diborane has one bridged $3$ centre-$2$-electron bond (d) Diborane is a planar molecule The option with correct statement(s) is

Which one of the following lanthanoids does not form ${\mathrm{MO}}_{2}$? [$M$ is lanthanoid metal]