NEET UG Chemistry — Inorganic Chemistry previous year questions with solutions.
$\mathrm{KMnO}_4$ can be prepared from $\mathrm{K}_2 \mathrm{MnO}_4$ as per reaction \(3 \mathrm{MnO}_2^{2-}+2 \mathrm{H}_2 \mathrm{O} \rightleftharpoons 2 \mathrm{MnO}_4^{-}+\mathrm{MnO}_2+4 \mathrm{OH}^{-}\). The reaction can go to completion by removing $\mathrm{OH}^{-}$ions by adding
The outer orbitals of $\mathrm{C}$ in ethene molecule can be considered to be hybridized to give three equivalent $s p^2$ orbitals. The total number of sigma $(\sigma)$ and pi $(\pi)$ bonds in ethene molecule is:
Which of the following does not give oxygen on heating?
The correct IUPAC name for $\left[\mathrm{CrF}_2(e n)_2\right]$ $\mathrm{Cl}$ is:
Low spin complex of $d^6$-cation in an octahedral field will have the following energy $\left(\Delta_o=\right.$ crystal field splitting energy in an octahedral field, $P=$ electron pairing energy)
In the replacement reaction  The reaction will be most favourable if $M$ happens to be
Which of the statements is not true?
Which one of the following pairs is isostructural (i.e., having the same shape and hybridization)?
During change of $\mathrm{O}_2$ to $\mathrm{O}_2^{-}$ion, the electron adds on which one of the following orbitals?
Bond order of 1.5 is shown by
Red precipitate is obtained when ethanol solution of dimethylglyoxime is added to ammoniacal $\mathrm{Ni}(\mathrm{II})$. Which of the following statements is not true?
Sulphur trioxide can be obtained by which of the following reaction
Which one of the following does not correctly represent the correct order of the property indicated against it?
Which of the following exhibits only +3 oxidation state?
Four diatomic species are listed below. Identify the correct order in which the bond order is increasing in them.
When $\mathrm{Cl}_2$ gas reacts with hot and concentrated sodium hydroxide solution, the oxidation number of chlorine changes from
Which of the following species contains three bond pairs and one lone pair around the central atom?
Which of the following statements is not valid for oxoacids of phosphorus?
Which one of the following is an outer orbital complex and exhibits paramagnetic behaviour?
Identify the alloy containing a non-metal as a constituent in it.
The catalytic activity of transition metals and their compounds is ascribed mainly to
The pair of species with the same bond order is
Which of the following statements is incorrect?
Which of the following compounds has the lowest melting point?