GATE CY topic:kinetics PYQs & Answers

Questions 1–5 of 5. Imported answers require independent review unless marked reviewed.

For the following reaction, A + B ⇌ X‡ → product If the value of Δ‡U° = 5/2 RT, then the value of Δ‡H° is (X‡ is an activated complex; Δ‡U° is standard change in internal energy; Δ‡H° is standard enthalpy of activation; R is gas constant; T is temperature)

Your answerChoose one option.

1/2 RT

3/2 RT

7/2 RT

5/2 RT

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For a reaction between neutral molecules X and Y in a solution at temperature T, the measured rate of reaction is equal to the rate of diffusion. Assume X is stationary and Y is moving. If the diameter of the molecule X is five times that of Y, then the rate constant for the reaction is

(

is viscosity of the solvent;

is Boltzmann constant)

Your answerChoose one option.

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The correct statement(s) for a surface catalyzed unimolecular gaseous reaction is(are)

Your answerSelect all correct options. You can choose more than one.

It follows Freundlich adsorption isotherm

Zero order kinetics is followed at sufficiently high pressure of the reactant molecules

First order kinetics is followed at very low pressure of the reactant molecules

Rate of the reaction is proportional to the fraction of surface covered by the reactant molecules

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The correct statement(s) for a surface catalyzed unimolecular gaseous reaction is(are)

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The Lineweaver-Burk plot for an enzyme obeying the Michaelis-Menten mechanism is given below.

\n\nThe slope of the line is

s, and the y-intercept is

mol

L s. The value of the Michaelis constant (

) is____

mol L

(in integer).\n\n[Note:

is the initial rate, and

is the substrate concentration]

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GATE CY topic:kinetics PYQs

How to practice topic:kinetics

Question 20

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Question 56

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Question 65