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WB JEE

Chemical Kinetics

Chemistry

Previous Years Questions

MCQ (More than One Correct Answer)

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Which of the statements are incorrect?
WB JEE 2022

MCQ (Single Correct Answer)

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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...
WB JEE 2021
Under the same reaction conditions, initial concentration of 1.386 mol dm$$-$$3 of a substance becomes half in 40 s and ...
WB JEE 2021
The equilibrium constant for the reaction N2(g) + O2(g) $$\rightleftharpoons$$ 2NO(g) is 4 $$\times$$ 10$$-$$4 at 2000 K...
WB JEE 2021
For a reaction 2A + B $$ \to $$ P, when concentration of B alone is doubled, t1/2 does not change and when concentration...
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