Inorganic Chemistry PYQ — Page 28
JEE Main Chemistry — Inorganic Chemistry previous year questions with solutions.
All Inorganic Chemistry Questions (1476)
${\mathrm{Fe}}^{3+}$ cation gives a prussian blue precipitate on addition of potassium ferrocyanide solution due to the formation of
Match List - I with List - II. <table class="pyq-table"><tbody><tr><td></td><td>List-I ($\mathrm{Si}$-Compounds)</td><td></td><td>List-II ($\mathrm{Si}$-Polymeric/Other Products)</td></tr><tr><td>A</td><td>${({\mathrm{CH}}_{3})}_{4}\mathrm{Si}$</td><td>I</td><td>Chain Silicone</td></tr><tr><td>B</td><td>$({\mathrm{CH}}_{3})\mathrm{Si}{(\mathrm{OH})}_{3}$</td><td>II</td><td>Dimeric Silicone</td></tr><tr><td>C</td><td>${({\mathrm{CH}}_{3})}_{2}\mathrm{Si}{(\mathrm{OH})}_{2}$</td><td>III</td><td>Silane</td></tr><tr><td>D</td><td>${({\mathrm{CH}}_{3})}_{3}\mathrm{Si}(\mathrm{OH})$</td><td>IV</td><td>$2D$- Silicone</td></tr></tbody></table>Choose the correct answer from the options given below
The correct order of increasing intermolecular hydrogen bond strength is
The correct order of energy of absorption for the following metal complexes is $A:{[\mathrm{Ni}{(\mathrm{en})}_{3}]}^{2+},B:{[\mathrm{Ni}{({\mathrm{NH}}_{3})}_{6}]}^{2+},C:{[\mathrm{Ni}{({H}_{2}O)}_{6}]}^{2+}$
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
In the cobalt-carbonyl complex : $[{\mathrm{Co}}_{2}{(\mathrm{CO})}_{8}]$, number of $\mathrm{Co}-\mathrm{Co}$ bonds is "$X$" and terminal $\mathrm{CO}$ ligands is " $Y$". $X+Y=$___
Transition metal complex with highest value of crystal field splitting $({\Delta }_{0})$ will be
Consider the following reaction : $2{\mathrm{HSO}}_{4}^{-}(\mathrm{aq})\frac{(1)\mathrm{Electrolysis}}{(2)\mathrm{Hydrolysis}}2{\mathrm{HSO}}_{4}^{-}+2{H}^{+}+A$ The dihedral angle in product $A$ in its solid phase at $110K$ is
The hybridization of $P$ exhibited in ${\mathrm{PF}}_{5}$ is ${\mathrm{sp}}^{x}{d}^{y}$. The value of $y$ is
The total number of $\mathrm{Mn}=O$ bonds in ${\mathrm{Mn}}_{2}{O}_{7}$ is
${[\mathrm{Fe}{(\mathrm{CN})}_{6}]}^{3-}$ should be an inner orbital complex. Ignoring the pairing energy, the value of crystal field stabilization energy for this complex is $(-)$_____${\Delta }_{0}$.
The spin-only magnetic moment value of the most basic oxide of vanadium among ${V}_{2}{O}_{3}$' ${V}_{2}{O}_{4}$ and ${V}_{2}{O}_{5}$ is____B.M. (Nearest integer)
White phosphorus reacts with thionyl chloride to give
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>A</td><td>${\Psi }_{\mathrm{MO}}={\Psi }_{A}-{\Psi }_{B}$</td><td>I</td><td>Dipole moment</td></tr><tr><td>B</td><td>$\mu =Q\times r$</td><td>II</td><td>Bonding molecular orbital</td></tr><tr><td>C</td><td>$\frac{{N}_{b}-{N}_{a}}{2}$</td><td>III</td><td>Anti-bonding molecualr orbital</td></tr><tr><td>D</td><td>${\Psi }_{\mathrm{MO}}={\Psi }_{A}+{\Psi }_{B}$</td><td>IV</td><td>Bond order</td></tr></tbody></table>
In the structure of ${\mathrm{SF}}_{4}$, the lone pair of electrons on $S$ is in.
Given below are two statements : one is labelled as Assertion and the other is labelled as Reason. Assertion: The ionic radii of ${O}^{2-}$ and ${\mathrm{Mg}}^{2+}$ are same. Reason: Both ${O}^{2-}$ and ${\mathrm{Mg}}^{2+}$ are isoelectronic species. In the light of the above statements, choose the correct answer from the options given below.
Total number of relatively more stable isomer(s) possible for octahedral complex $[\mathrm{Cu}{(\mathrm{en})}_{2}{(\mathrm{SCN})}_{2}]$ will be____
Dinitrogen is a robust compound, but reacts at hig altitude to form oxides. The oxide of nitrogen the can damage plant leaves and retard photosynthes is
Metals generally melt at very high temperatures, Among the following which one has the highest melting point?
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>A</td><td>$4{\mathrm{NH}}_{3}(g)+5{O}_{2}(g)\rightarrow 4\mathrm{NO}(g)+6{H}_{2}O(g)$</td><td>I</td><td>$\mathrm{NO}(g)$</td></tr><tr><td>B</td><td>${N}_{2}(g)+3{H}_{2}(g)\rightarrow 2{\mathrm{NH}}_{3}(g)$</td><td>II</td><td>${H}_{2}{\mathrm{SO}}_{4}(l)$</td></tr><tr><td>C</td><td>${C}_{12}{H}_{22}{O}_{11}(\mathrm{aq})+{H}_{2}O(l)\rightarrow {C}_{6}{H}_{12}{O}_{6}(\mathrm{Glucose})+{C}_{6}{H}_{12}{O}_{6}(\mathrm{Fructose})$</td><td>III</td><td>$\mathrm{Pt}(s)$</td></tr><tr><td>D</td><td>$2{\mathrm{SO}}_{2}(g)+{O}_{2}(g)\rightarrow 2{\mathrm{SO}}_{3}(g)$</td><td>IV</td><td>$\mathrm{Fe}(s)$</td></tr></tbody></table>Choose the correct answer from the options given below
The number of inter halogens from the following having square pyramidal structure is ${\mathrm{ClF}}_{3},{\mathrm{IF}}_{7},{\mathrm{BrF}}_{5},{\mathrm{BrF}}_{3},{I}_{2}{\mathrm{Cl}}_{6},{\mathrm{IF}}_{5},\mathrm{ClF},{\mathrm{ClF}}_{5}$
The most stable trihalide of nitrogen is.
Dihydrogen reacts with $\mathrm{CuO}$ to give
Aqueous solution of which of the following boron compounds will be strongly basic in nature?