JEE Main Chemistry — Inorganic Chemistry previous year questions with solutions.
The least number of oxyacids are formed by:
Which of the following statements is/are false?
Which of the following compounds has a $P-P$ Bond?
When concentrated $\mathrm{HCl}$ is added to aqueous solution of $CoC{l}_{2}$, its colour changes from reddish pink to deep blue. Which complex ion gives blue colour in reaction?
Which one of the following compounds is not a yellow colored compound ?
Which of the following complex ions has electrons that are symmetrically filled in both ${t}_{2g}$ and ${e}_{g}$ orbitals?
An aqueous solution of a salt X turns blood red on treatment with $SC{N}^{-}$ and blue on treatment with ${K}_{4}[Fe{(CN)}_{6}]$ , X also gives a positive chromyl chloride test. The salt X is:
The number of geometric isomers that can exist for square planar ${[Pt(Cl)(py)(N{H}_{3})(N{H}_{2}OH)]}^{+}$ is (py = pyridine):
Match the catalysts to the correct process. <table class="pyq-table"><tbody><tr><td></td><td>Catalyst</td><td></td><td>Process</td></tr><tr><td>A.</td><td>$TiC{l}_{3}$</td><td>i.</td><td>Wacker process</td></tr><tr><td>B.</td><td>$PdC{l}_{2}$</td><td>ii.</td><td>Ziegler – Natta polymerisation</td></tr><tr><td>C.</td><td>$CuC{l}_{2}$</td><td>iii.</td><td>Contact process`</td></tr><tr><td>D.</td><td>${V}_{2}{O}_{5}$</td><td>iv.</td><td>Deacon’s process</td></tr></tbody></table>
In the long form of the periodic table, the valence shell electronic configuration of $5{s}^{2}5{p}^{4}$ corresponds to the element present in:
The shape of $XeO{F}_{4}$ by VSEPR theory is:
The colour of $KMn{O}_{4}$ is due to: [where $\text{M}\rightarrow$ metal, $\text{L}\rightarrow$ ligand]
Molecule AB has a bond length of $1.617 Å$ and a dipole moment of 0.38 D. The fractional charge on each atom(absolute magnitude) is: $({e}_{0}=4.802\times {10}^{-10} esu)$
Chlorine water on standing loses its color and forms:
The ionic radii $(\text{in} Å)$ of ${N}^{3-}, {O}^{2-}$ and ${F}^{-}$ are respectively:
An octahedral complex of Co$^{3}$$^{+}$ is diamagnetic. The hybridisation involved in the formation of the complex is :
Among the following oxoacids, the correct decreasing order of acid strength is :
Which one of the following does not have a pyramidal shape?
Which one of the following molecules is paramagnetic?
Among the following species the one which causes the highest CFSE, $\Delta_0$ as a ligand is:
Which of the following xenon-oxo compounds may not be obtained by hydrolysis of xenon fluorides?
For which of the following molecule significant $\mu \neq 0$ ?  
An octahedral complex with molecular composition M.5NH$_{3}$.Cl.SO$_{4}$ has two isomers, A and B. The solution of A gives a white precipitate with AgNO$_{3}$ solution and the solution of B gives white precipitate with BaCl$_{2}$ solution .The type of isomerism exhibited by the complex is :
Which of the following series correctly represents relations between the elements from $\mathrm{X}$ to $\mathrm{Y}$ ? $\mathrm{X} \rightarrow \mathrm{Y}$