List of top Chemistry Questions asked in JKCET

How many electrons are involved during the oxidation reaction of $ KMnO_4 $ in acidic medium ?

Calculate the molarity of a solution of $ 30\,g $ of $ Co(NO_3)_2.6H_2O $ in $ 4.3\, L $ of solution ? Consider atomic mass of $ Co = 59\, u $ , $ N = 14\, u $ , $ O = 16\,u $ , $ H = 1\,u $

What is the hybridization and geometry of the compound $ XeOF_4 $ ?

What will be the $ E_{cell} $ for the given cell ? $ Zn\left|Zn^{2+}\left(0.1\,M\right)\right|\left|Cu^{2+}\left(0.01\,M\right)\right|Cu $ Given : $ E^{\circ}_{Zn^{2+}Zn}=0.76\,V $ and $ E^{\circ}_{Cu^{2+}Cu}=0.34\,V $ . Also predict whether the reaction is spontaneous or non-spontaneous.

Identify the correct increasing order of crystal field stabilization energy value for the given complexes.

How many geometrical isomers are possible with complexes of the type $ [M(ab)_3] $ ?

Which of the following is the correct configuration of the complex $ [RhCl_6]^{3-} $ ?

What will be the products when benzaldehyde is treated with $ NaOD $ in $ D_2O $ ?

What will be the correct decreasing order of acid strength of the hydroxybenzoic acids? (Symbols and notations carry their usual meanings)

What will be the half-cell potential of a hydrogen electrode acting as an anode and dipped in a solution of $ pH = 2 $ ?

What are the hydrolysis products of sucrose?

The distinction between primary, secondary and tertiary amines can be done experimentally by using

What will be the boiling point of $ 30 \,g $ benzene containing $ 0.75\, g $ of benzoic acid which undergoes $ 75\% $ dimerization? Boiling point of pure benzene $ = 80.1^{\circ}C $ and $ K_b = 2.53 \,K mol^{-1}\, kg $

Under what condition, will $ x/m $ value be equal to pressure of the gas on the surface of the absorbent?

Let the energy of an $ n^{th} $ orbit of $ H $ atom be $ -21.76 \times 10^{19}/n^2\, J $ . What will be the longest wavelength of energy required to remove an electron from the third orbit?

Hoffmann's bromamide reaction is used to

What should be possible $ d $-orbital energy levels of $ Ni $ in $ [Ni(CN)_4]^{2-} $ ?

Why is $ F_2 $ the strongest oxidizing agent (among halogens) although electron affinity of $ Cl_2 $ is higher than $ F_2 $ ?

What is the correct order of bond strength for $ NO, NO^+ $ and $ NO^- $ ?

What will be the $ pH $ at which precipitation of $ Zn(OH)_2 $ will take place from a solution containing $ 0.3 \,M \,Zn^{2+} $ ion? $ K_{sp} $ of $ Zn(OH)_2 = 1.2 \times 10^{-12} $

There are four conformational isomers of $ n $ -butane. Eclipsed, Fully eclipsed, Gauche, Staggered Arrange these isomers of $ n $ -butane in increasing order of energy.

According to the expression $ \Delta G^{\circ} = -nFE^{\circ} $ , the cell reaction is spontaneous when (Notations and symbols carry their usual meanings)

Compounds $ A $ and $ C $ in the following reaction are $ CH_3CHO {->[(i) CH_3MgBr][(ii)H_2O]} (A) {->[H_2SO_4, \Delta ]} (B) $ $ {->[{\text{Hydroboration oxidation}}]} (C) $

A common observation seen in $ Fe_3O_4 $ is that it is ferrimagnetic at room temperature but at $ 850 \,K $ it becomes

$ Cu $ crystallizes as face centred cubic lattice with edge length of $ 3.56 \, ? $ . What will be the nearest distance between $ Cu $ atoms?