Inorganic Chemistry PYQ — Page 23

The number of paramagnetic species from the following is ${[\mathrm{Ni}(\mathrm{CN}{)}_{4}]}^{2-},[\mathrm{Ni}(\mathrm{CO}{)}_{4}],{[{\mathrm{NiCl}}_{4}]}^{2-}$ ${[\mathrm{Fe}(\mathrm{CN}{)}_{6}]}^{4-},{[\mathrm{Cu}{({\mathrm{NH}}_{3})}_{4}]}^{2+}$ ${[\mathrm{Fe}(\mathrm{CN}{)}_{6}]}^{3-}\text{ and }{[\mathrm{Fe}{({H}_{2}O)}_{6}]}^{2+}$

Which element is not present in Nessler’s reagent?

Reaction of thionyl chloride with white phosphorus forms a compound $[A]$, which on hydrolysis gives $[B]$, a dibasic acid. $[A]$ and $[B]$ are respectively

. Identify the correct order of standard enthalpy of formation of sodium halides.

Cobalt chloride when dissolved in water forms pink colored complex $X$ which has octahedral geometry. This solution on treating with cone $\mathrm{HCl}$ forms deep blue complex, $Y$ which has a $Z$ geometry. $X,Y$ and $Z$, respectively, are

The difference between electron gain enthalpies will be maximum between :

The set which does not have ambidentate ligand(s) is

Which halogen is known to cause the reaction given below?

Which of the following are the example of double salt? (A) ${\mathrm{FeSO}}_{4}\cdot {({\mathrm{NH}}_{4})}_{2}{\mathrm{SO}}_{4}\cdot 6{H}_{2}O$ (B) ${\mathrm{CuSO}}_{4}\cdot 4{\mathrm{NH}}_{3}\cdot {H}_{2}O$ (C) ${K}_{2}{\mathrm{SO}}_{4}\cdot {\mathrm{Al}}_{2}{({\mathrm{SO}}_{4})}_{3}\cdot 24{H}_{2}O$ (D) $\mathrm{Fe}(\mathrm{CN}{)}_{2}\cdot 4\mathrm{KCN}$ Choose the correct answer.

The bond dissociation energy is highest for

Which of the following cannot be explained by crystal field theory?

Inert gases have positive electron gain enthalpy. Its correct order is

Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A) : ${\mathrm{Cu}}^{2+}$ in water is more stable than ${\mathrm{Cu}}^{+}$. Reason (R) : Enthalpy of hydration for ${\mathrm{Cu}}^{2+}$ is much less than that of ${\mathrm{Cu}}^{+}$. In the light of the above statements, choose the correct answer from the options given below :

Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R Assertion A :- Carbon forms two important oxides $\mathrm{CO}$ and ${\mathrm{CO}}_{2}$. $\mathrm{CO}$ is neutral whereas ${\mathrm{CO}}_{2}$ is acidic in nature. Reason R : ${\mathrm{CO}}_{2}$ can combine with water in a limited way to form carbonic acid, while $\mathrm{CO}$ is sparingly soluble in water. In the light of the above statements, choose the most appropriate answer from the options given below :-

Bond dissociation energy of $E-H$ bond of the "${H}_{2}E$" hydrides of group $16$ elements (given below), follows order. (A) $O$ (B) $S$ (C) $\mathrm{Se}$ (D) $\mathrm{Te}$

Amongst the following, the number of species having the linear shape is ${\mathrm{XeF}}_{2},{I}_{3}^{+},{C}_{3}{O}_{2},{I}_{3}^{-},{\mathrm{CO}}_{2},{\mathrm{SO}}_{2},{\mathrm{BeCl}}_{2}$ and ${\mathrm{BCl}}_{2}^{\ominus }$

Which of the Phosphorus oxoacid can create silver mirror from ${\mathrm{AgNO}}_{3}$ solution?

The magnetic moment of a transition metal compound has been calculated to be $3.87\mathrm{BM}$. The metal ion is

Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R. Assertion A : The energy required to form ${\mathrm{Mg}}^{2+}$from $\mathrm{Mg}$ is much higher than that required to produce ${\mathrm{Mg}}^{+}$ Reason R:${\mathrm{Mg}}^{2+}$ is small ion and carry more charge than ${\mathrm{Mg}}^{+}$ In the light of the above statements, choose the correct answer from the options given below.

The bond order and magnetic property of acetylide ion are same as that of

The volume (in $\mathrm{mL}$) of $0.1M{\mathrm{AgNO}}_{3}$ required for complete precipitation of chloride ions present in $20\mathrm{mL}$ of $0.01M$ solution of $[\mathrm{Cr}{({H}_{2}O)}_{5}\mathrm{Cl}]{\mathrm{Cl}}_{2}$ as silver chloride is_______

Match List I with List II <table class="pyq-table"><tbody><tr><td></td><td>List I Complex</td><td></td><td>List II $CFSE$ $({\Delta }_{0})$</td></tr><tr><td>A.</td><td>${[Cu{(N{H}_{3})}_{6}]}^{2+}$</td><td>I.</td><td>$-0.6$</td></tr><tr><td>B.</td><td>${[Ti{({H}_{2}O)}_{6}]}^{3+}$</td><td>II.</td><td>$-2.0$</td></tr><tr><td>C.</td><td>${[Fe{(CN)}_{6}]}^{3-}$</td><td>III.</td><td>$-1.2$</td></tr><tr><td>D.</td><td>${[Ni{F}_{6}]}^{4-}$</td><td>IV.</td><td>$-0.4$</td></tr></tbody></table>Choose the correct answer from the options given below:

The magnetic moment is measured in Bohr Magneton (BM). Spin only magnetic moment of $\mathrm{Fe}$ in ${[\mathrm{Fe}{({H}_{2}O)}_{6}]}^{3+}$ and ${[\mathrm{Fe}{(\mathrm{CN})}_{6}]}^{3-}$ complexes respectively is:

Match List I with List II<table class="pyq-table"><tbody><tr><td colspan="2" rowspan="1">LIST-I Complex</td><td colspan="2" rowspan="1">LIST-II Colour</td></tr><tr><td>A.</td><td>$\mathrm{Mg}({\mathrm{NH}}_{4}){\mathrm{PO}}_{4}$</td><td>I.</td><td>brown</td></tr><tr><td>B.</td><td>${K}_{3}[\mathrm{Co}{({\mathrm{NO}}_{2})}_{6}]$</td><td>II.</td><td>white</td></tr><tr><td>C.</td><td>$\mathrm{MnO}{(\mathrm{OH})}_{2}$</td><td>III.</td><td>yellow</td></tr><tr><td>D.</td><td>${\mathrm{Fe}}_{4}{[\mathrm{Fe}{(\mathrm{CN})}_{6}]}_{3}$</td><td>IV.</td><td>blue</td></tr></tbody></table>Choose the correct answer from the options given below: