GATE CH 2024 Paper 1 — page 7

Questions 19–21 of 65. Imported answers require review unless explicitly marked reviewed.

The ratio of the activation energy of a chemical reaction to the universal gas constant is 1000 K. The temperature-dependence of the reaction rate constant follows the collision theory. The ratio of the rate constant at 600 K to that at 400 K is

Your answerChoose one option.

2.818

4.323

1.502

1.000

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The rate of a reaction

is 0.2 mol m

at a particular concentration

. The rate constant of the reaction at a given temperature is 0.1 m

mol

. If the reactant concentration is increased to

at the same temperature, the reaction rate, in mol m

, is

Your answerChoose one option.

100

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Two parallel first-order liquid phase reactions

and

are carried out in a well-mixed isothermal batch reactor. The initial concentration of A in the reactor is 1 kmol m

, while that of B and C is zero. After 2 hours, the concentration of A reduces to half its initial value, and the concentration of B is twice that of C. The rate constants

and

, in h

, are, respectively

Your answerChoose one option.

0.40, 0.20

0.23, 0.12

0.50, 0.25

0.36, 0.18

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2024 · Paper 1

Question 19

Question 20

Question 21