WB JEE
Chemistry
Chemical Kinetics
Previous Years Questions

## MCQ (More than One Correct Answer)

Which of the statements are incorrect?

The equilibrium constant for the reaction N2(g) + O2(g) $$\rightleftharpoons$$ 2NO(g) is 4 $$\times$$ 10$$-$$4 at 2000 K. In presence of a catalyst th...
Under the same reaction conditions, initial concentration of 1.386 mol dm$$-$$3 of a substance becomes half in 40 s and 20 s through first-order and z...
2.5 mL 0.4 M weak monoacidic base (Kb = 1 $$\times$$ 10$$-$$12 at 25$$^\circ$$C) is titrated with 2/15 M HCl in water at 25$$^\circ$$C. The concentrat...
For a reaction 2A + B $$\to$$ P, when concentration of B alone is doubled, t1/2 does not change and when concentrations of both A and B is doubled, ...
Consider the following two first order reactions occurring at 298 K with same initial concentration of A :(1) A $$\to$$ B; rate constant, k = 0.693 mi...
The kinetic study of a reaction like vA $$\to$$ P at 300 K provides the following curve, where concentration is taken in mol dm$$-$$3 and time in min....
The following equilibrium constants are given$${N_2} + 3{H_2}$$ $$\rightleftharpoons$$ $$2N{H_3}$$; $${K_1}$$$${N_2} + {O_2}$$ $$\rightleftharpoons$$ ...
EXAM MAP
Joint Entrance Examination