List of top Chemistry Questions asked in JEE Advanced

Which has most stable +2 oxidation state?

Which one of the following has the smallest heat of hydrogenation per mole ?

Equal weights of ethane and hydrogen are mixed in an empty container at $25^\circ$ C. The fraction of the total pressure exerted by hydrogen is

The maximum possible number of hydrogen bonds a water molecule can form is

Which of the following does not characterise X-rays ?

The products of combustion of an aliphatic thiol (RSH) at 298 K are

Isomers which can be interconverted through rotation around a single bond are

Hydrogenation of benzoyl chloride in presence of $Pd$ on $BaSO_{4}$ gives

Which of the following have identical bond order?

The type of hybrid orbitals used by the chlorine atom in $ClO_2^-$ is

The oxidation state of the most electronegative element in the products of the reaction. $ BaO_2 $ with dil, $ H_2SO_4 $ are

The reaction which proceed in the forward direction is

The reagents, $NH_4Cl$ and aqueous $NH_3$ will precipitate

There is no S- S bond in

According to kinetic theory of gases, for a diatomic molecule

1 -chlorobutane on reaction with alcoholic potash gives

The linear structure assumed by

The density of neon will be minimum at

When zeolite, which is hydrated sodium aluminium silicate, is treated with hard water, the sodium ions are exchanged with

Chlorination of toluene in the presence of light and heat followed by treatment with aqueous NaOH gives

The rate of diffusion of methane is twice that of X. The molecular mass of X is

Amongst the following, the most basic compound is

Aryl halides are less reactive towards nucleophilic substitution reaction as compared to alkyl halide due to

Amongst the elements with following electronic configurations, which one may have the highest ionisation energy?

The ground state electronic configuration of chromium is