1

WB JEE 2021

MCQ (Single Correct Answer)

+1

-0.25

2.5 mL 0.4 M weak monoacidic base (K

_{b}= 1 $$\times$$ 10^{$$-$$12}at 25$$^\circ$$C) is titrated with 2/15 M HCl in water at 25$$^\circ$$C. The concentration of H^{+}at equivalence point is (K_{w}= 1 $$\times$$ 10^{$$-$$14}, at 25$$^\circ$$C)2

WB JEE 2020

MCQ (Single Correct Answer)

+2

-0.5

For a reaction 2A + B $$ \to $$ P, when concentration of B alone is doubled, t

_{1/2}does not change and when concentrations of both A and B is doubled, rate increases by a factor of 4. The unit of rate constant is,3

WB JEE 2019

MCQ (Single Correct Answer)

+1

-0.33

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 min

(2) A $$\to$$ C; half-life, t

Choose the correct option.

(1) A $$\to$$ B; rate constant, k = 0.693 min

^{$$-$$1}(2) A $$\to$$ C; half-life, t

_{1/2}= 0.693 minChoose the correct option.

4

WB JEE 2019

MCQ (Single Correct Answer)

+2

-0.67

The kinetic study of a reaction like vA $$\to$$ P at 300 K provides the following curve, where concentration is taken in mol dm

Identify the correct order (n) and rate constant (k)

^{$$-$$3}and time in min.Identify the correct order (n) and rate constant (k)

Questions Asked from Chemical Kinetics (MCQ (Single Correct Answer))

Number in Brackets after Paper Indicates No. of Questions

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