JEE Main Chemistry — Inorganic Chemistry previous year questions with solutions.
The complex that can show $fac$ - and $mer$ -isomers is:
The intermolecular potential energy for the molecules$A$ ,$B$ , $C$ and $D$ given below suggests that: 
Chlorine reacts with hot and concentrated $NaOH$ and produces compounds $(X)$ and $(Y)$. Compound $(X)$ gives white precipitate with silver nitrate solution. The average bond order between $\mathrm{Cl}$ and $O$ atoms in $(Y)$ is _______________.
In a molecule of pyrophosphoric acid, the number of $P-OH,P=0\mathrm{and}P-O-P$ bonds/moiety(ies) respectively are :
The reaction in which the hybridisation of the underlined atom is affected is
The sum of the total number of bonds between chromium and oxygen atoms in chromate and dichromate ions is ______________.
The oxidation states of iron atoms in compounds $(A)$, $(B)$ and $(C)$, respectively, are $x,y$ and $z$. Then sum of $x,y$ and $z$ is ........... $\underset{(A)}{{\mathrm{Na}}_{4}[\mathrm{Fe}{(\mathrm{CN})}_{5}(\mathrm{NOS})]} \underset{(B)}{{\mathrm{Na}}_{4}[{\mathrm{FeO}}_{4}]} \underset{(C)}{[{\mathrm{Fe}}_{2}{(\mathrm{CO})}_{9}]}$
The atomic number of Unnilumium is ______.
The number of isomers possible for $[\mathrm{Pt}(\mathrm{en}){({\mathrm{NO}}_{2})}_{2}]$ is:
Arrange the following bonds according to their average bond energies in descending order: $C-Cl,C-Br,C-F,C-I$
The correct electronic configuration and spin-only magnetic moment (BM) of ${\mathrm{Gd}}^{3+}(Z=64),$ respectively, are :
The compound that has the largest $H–M–H$ bond angle $(M=N,O,S,C)$, is :
Wilkinson catalyst is
The correct order of the atomic radii of $\mathrm{C}, \mathrm{Cs}, \mathrm{Al},$ and $\mathrm{S}$ is:
The magnetic moment of an octahedral homoleptic $\mathrm{Mn}(\mathrm{II})$ complex is $5.9 B.M.$ . The suitable ligand for this complex is:
The amorphous form of silica is:
The element with $Z=120$ (not yet discovered) will be a/an
The correct order of atomic radii is:
In comparison to boron, berylium has:
The correct statement among the following is:
The group number, number of valence electrons, and valency of an element with atomic number $15,$ respectively, are:
The lanthanide ion that would show colour is:
In which of the following processes, the bond order has increased and paramagnetic character has changed to diamagnetic?
The basic structural unit of feldspar, zeolites mica, and asbestos is: