Inorganic Chemistry PYQ — Page 42

The molecule in which hybrid $\mathrm{MOs}$ involve only one d-robital of the central atom is :

The incorrect statement(s) among (a) - (c) is (are) : (a) $W(\mathrm{VI})$ is more stable than $\mathrm{Cr}(\mathrm{VI})$. (b) in the presence of $\mathrm{HCl}$, permanganate titrations provide satisfactory results. (c) some lanthanoid oxides can be used as phosphors

Match the type of interaction in column $A$ with the distance dependence of their interaction energy in column $B:$ <table class="pyq-table"><tbody><tr><td>A</td><td>B</td></tr><tr><td>(i) ion - ion</td><td>(a) $\frac{1}{r}$</td></tr><tr><td>(ii) Dipole - dipole</td><td>(b) $\frac{1}{{r}^{2}}$</td></tr><tr><td>(iii) London dispersion</td><td>(c) $\frac{1}{{r}^{3}}$</td></tr><tr><td></td><td>(iv) $\frac{1}{{r}^{6}}$</td></tr></tbody></table>

The volume (in $\mathrm{mL}$) of $0.1N\mathrm{NaOH}$ required to neutralise$10\mathrm{mL}\mathrm{of}0.1N$ phosphinic acid is ____________.

The total number of coordination sites in ethylenediaminetetraacetate ( ${\mathrm{EDTA}}^{4-}$) is ...................

The shape/structure of${[{\mathrm{XeF}}_{5}]}^{-}$ and ${\mathrm{XeO}}_{3}{F}_{2}$, respectively are :

The correct order of the ionic radii of ${O}^{2-},{N}^{3-},{F}^{-},{\mathrm{Mg}}^{2+},{\mathrm{Na}}^{+}$ and ${\mathrm{Al}}^{3+}$ is :

Mischmetal is an alloy consisting mainly of :

Aqua regia is used for dissolving noble metals (Au, Pt, etc.). The gas evolved in this process is

The acidic, basic and amphoteric oxides, respectively, are

Hydrogen has three isotopes $(A),(B)$ and $(C).$ If the number of neutron(s) in $(A),(B)$ and $(C)$ respectively, are $(x),(y)$ and $(z),$ the sum of $(x),(y)$ and $(z)$ is

The structure of ${\mathrm{PCl}}_{5}$ in the solid state is :

Considering that ${\Delta }_{0}>P$, the magnetic moment (in BM) of ${[\mathrm{Ru}{({H}_{2}O)}_{6}]}^{2+}$ would be

Complex $X$ Of composition $Cr{({H}_{2}O)}_{6}C{l}_{n}$ Has a spin only magnetic moment of $3.83B.M.$ It reacts with ${AgNO}_{3}$ And shows geometrical isomerism. The IUPAC nomenclature of $X$ Is:

The process that is NOT endothermic in nature is :

The increasing order of boiling points of the following compounds is : 

The lanthanoid that does NOT show + 4 oxidation state is:

The set that contains atomic numbers of only transition elements, is :

The electronic configurations of bivalent europium and trivalent cerium are: (atomic number: $Xe=54$ , $Ce=58$ , $Eu=63)$

The major product $[B]$ in the following sequence of reactions is: 

For octahedral $\mathrm{Mn}(\mathrm{II})$ and tetrahedral $\mathrm{Ni}(\mathrm{II})$ complexes, consider the following statements : $(I)$ both the complexes can be high spin. $(\mathrm{II})$ $\mathrm{Ni}(\mathrm{II})$ complex can very rarely be of low spin. $(\mathrm{III})$ with strong field ligands, $\mathrm{Mn}(\mathrm{II})$ complexes can be low spin. $(\mathrm{IV})$ aqueous solution of $\mathrm{Mn}(\mathrm{II})\mathrm{ions}$ is yellow in color. The correct statements are :

Consider the following molecules and statements related to them:  (a) (B) is more likely to be crystaline than (A) (b) (B) has higher boiling point than (A) (c) (B) dissolves more readily than (A) in water Identify the correct option from below:

The presence of soluble fluoride ion upto 1 ppm concentration in drinking water, is :

The number of isomers possible for $[\mathrm{Pt}(\mathrm{en}){({\mathrm{NO}}_{2})}_{2}]$ is: