List of top Chemistry Questions asked in JKCET

A nucleophilic substitution reaction proceeds through $S _{ N } 1$ mechanism. So, the reaction is

The product of reaction between aniline and acetic anhydride is

The correct order of electron gain enthalpy $ (\Delta _{eg}H) $ of the halogen atoms is

The $ C-H $ bond distance is the longest in

The dissolution of a gas in a liquid is governed by

$2$ -bromobutane reacts with $OH ^{-}$ in $H _{2} O$ to give $2$ -butanol. The reaction involves

Glucose can be converted into ethyl alcohol using

The correct order of increasing oxidizing power in the series is

The rate of reactions exhibiting negative activation energy

Standard electrode potential of half-cell reactions are given below $C u^{2+}+2 e^{-} \rightarrow C u ; E^{\circ}=0.34\, V $ $Z n^{2+}+2 e^{-} \rightarrow Z n ; E^{\circ}=-0.76 \,V$ What is the emf of the cell?

A compound with nitro group was reduced by $Sn / HCl$, followed by treatment with $NaNO _{2} / HCl$ and followed by phenol. The chromophore group in the final compound is

Addition of a non-volatile solute in a volatile ideal solvent

Avogadro number $\left(6.023 \times 10^{23}\right)$ of carbon atoms are present in

Desalination of sea water can be done by

The effective atomic number for $\left[R h\left(H_{2} O\right)_{6}\right]^{3+}$ (at. no. for $R h$ is $45$ ) is

Boron is unable to form $BF _{6}^{3}$ because of

For an ideal system at thermal equilibrium, the velocity distribution of the constituent particles will be governed by

According to Le-Chatelier's principle, the equilibrium constant of a reversible reaction will not shift by

During spontaneous discharge of an electrochemical cell Gibb's free energy will

For an electrophilic aromatic substitution reaction

Bohr model of hydrogen atom was unable to explain

Anti-Markownikoff addition of $HBr$ is not observed in

Among the following, which is the least stable conformation of cyclohexane?

Tollen's test can be used to distinguish

Anode reaction of a fuel cell is