List of top Questions asked in JKCET

You are given a curve, $ y = ln (x + e) $ . What will be the area enclosed between this curve and the coordinate axes?

A differential equation $ \frac{dy}{dx}= \left(y+4x -4\right)^{2} $ is given. At $ x = 0, y = 4 $ the solution of this differential equation is given by

The values of $ x $ for which $ 4^x + 4^{1-x} - 5 < 0 $ , is given by

In which of the following intervals, the function $ y(x) = x^3 - 3x^2 - 9x + 5 $ is always decreasing?

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

If kinetic energy of a body is increased by $300$ % then percentage change in momentum will be

What are the hydrolysis products of sucrose?

For $ 'c' $ is the arbitrary constant, the solution of the differential equation $ (x^2 + 2y^2)dx - xy\,dy= 0 $ is

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

The kinetic energy of electron and photon arc the same. The relation between their De - Broglie wavelengths $ \lambda _e $ and $ \lambda _p $ is

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

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

A solid cylinder of mass $ M $ and radius $ R $ rolls on a flat surface. Find its moment of inertia about the line of contact.

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.

An extrinsic semiconductor with electrons as majority carriers can be obtained by doping $ Ge $ or $ Si $ with

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

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

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) $

The difference between the maximum and minimum values of resistance of a resistor with the color scheme green-green-red-silver is

Which of the following is the indirect way of generating $ FM $ ?