JEE Main Chemistry — Inorganic Chemistry previous year questions with solutions.
The relative stability of +1 oxidation state of group 13 elements follows the order
Among the following species, the diamagnetic molecule is:
The species that can have a trans-isomer is: $(en = ethane-1, 2-diamine, ox=oxalate)$
The correct order of the oxidation states of nitrogen in $NO, {N}_{2}O, N{O}_{2}$ and ${N}_{2}{O}_{3}$ is
The statement that is INCORRECT about the interstitial compounds is:
Diborane $({B}_{2}{H}_{6})$ reacts independently with ${O}_{2}$ and ${H}_{2}O$ to produce, respectively:
Among the following molecules/ ions, ${C}_{2}^{2-}, {N}_{2}^{2-},{O}_{2}^{2-}, {O}_{2}$ Which one is diamagnetic and has the shortest bond length?
${C}_{60},$ an allotrope of carbon contains
Two pi and half sigma bonds are present in:
Aluminium is usually found in $+3$ oxidation state. In contrast, thallium exists in $+1$ and $+3$ oxidation states. This is due to:
The following ligand is: 
The number of pentagons in ${C}_{60}$ and trigons (triangles) in white phosphorus, are;
The transition elements that has the lowest enthalpy of atomisation is:
When the first electron gain enthalpy $( \Delta {H}_{ eg} )$ of oxygen is $-141 kJ/mol$ , its second electron gain enthalpy is:
Homoleptic octahedral complexes of a metal ion $'{M}^{3+}'$ with three monodentate ligands ${L}_{1},{L}_{2}and {L}_{3}$ absorb wavelengths in the region of green, blue and red respectively. The increasing order of the ligand strength is:
The calculated spin-only magnetic moments $(BM)$ of the anionic and cationic species of ${ [ \text{Fe}{ ( {\text{H}}_{2} \text{O})}_{6} ]}^{ +2}$ and ${[\text{Fe }{(\text{CN})}_{6}]}^{4-}$ respectively, are:
Chlorine on reaction with hot and concentrated sodium hydroxide gives.
The pair that contains two $P-H$ bonds in each of the oxoacids is:
$HF$ has highest boiling point among hydrogen halides, because it has:
The coordination number of Th in $\mathrm{K}_{4}\left[\mathrm{Th}\left(\mathrm{C}_{2} \mathrm{O}_{4}\right)_{4}\left(\mathrm{H}_{2} \mathrm{O}\right)_{2}\right]$ is: $\left(\mathrm{C}_{2} \mathrm{O}_{4}^{2-}=\right.$ oxalato $)$
The highest possible oxidation states of uranium and plutonium, respectively, are
$M{n}_{2}{(CO)}_{10}$ is an organometallic compound due to the presence of:
The metal's $d-$ orbitals that are directly facing the ligands in ${K}_{3}[Co{(CN)}_{6}]$ are:
The element that shows greater ability to form $p\pi -p\pi$ multiple bonds is: