Collision Theory of Chemical Reaction

IMPORTANT

Collision Theory of Chemical Reaction: Overview

This topic covers concepts, such as, Collision Theory of Chemical Reactions, Collision Frequency, Effective Collisions, Frequency Factor, Graphical Representation of Fraction of Molecules versus Kinetic Energy & Intermediate Complex Theory etc.

Important Questions on Collision Theory of Chemical Reaction

HARD
IMPORTANT

In a reversible reaction, the enthalpy change and the activation energy in the forward direction are respectively x kJ mol-1 and y kJ mol-1. Therefore, the energy of activation in the backward direction is

MEDIUM
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Collision theory is applicable to 

MEDIUM
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Collision theory is satisfactory for:-

MEDIUM
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The activation energy for a reaction at the temperature T K was found to be 2.303RT J mol-1. The ratio of the rate constant to Arrhenius factor is

HARD
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Explain briefly the collision theory of bimolecular reactions.

HARD
IMPORTANT

Explain, with the help of potential energy barrier, how does increase in temperature increases the rate of a reaction.

EASY
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What is the activation energy of the reaction B→A, if Ea for the reaction AB is 120 kJ/mole of A. The enthalpy of reaction is –140 kJ/mole.

EASY
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Increase in concentration of the reactants can lead to change in:

EASY
IMPORTANT

Which of the following statement(s) is/are true

MEDIUM
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Statement - 1: If number of gaseous molecules per unit volume are doubled, collision frequency becomes four times of initial. and

Statement - 2:

Collision frequency n= 2 πσ2N2v .

HARD
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For the equilibrium, AgBg, H-40  kJ/mol. If the ratio of the activation energies of the forward Ef and revers Eb reactions is 23 then:

HARD
IMPORTANT

The molecular diameter of A and  B are 4 nm and 8 nm respectively. The pressure of A and B are 10 atm and 5 atm respectively. The temperature of A and B are 300 K and 400 K respectively. The ratio of molecular mass of A and B are 30 : 40. What will be the ratio of binary collisions among A molecules to that of B molecules ?

MEDIUM
IMPORTANT

Increase in the concentration of the reactants leads to the change in

EASY
IMPORTANT

What istThe minimum energy required for a molecule to take part in a reaction is called?

HARD
IMPORTANT

Collision theory is applicable to which of the following?

MEDIUM
IMPORTANT

Collision theory is applicable to which of the following?

MEDIUM
IMPORTANT

Which of the following statements is under collision theory?

I Rate is directly proportional to collision frequency.

II The rate depends upon the orientation of atoms.

III Temperature determines the rate.

MEDIUM
IMPORTANT

A chemical reaction proceeds the following formula:

k=PZe-Ea/RT

Which of the following processes will increase the rate of reaction?

MEDIUM
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The rate of reaction increases with temperature due to

MEDIUM
IMPORTANT

If X is the total number of collisions which a gas molecule register with others per unit time under particular conditions, then the collision frequency of the gas containing N molecules per unit volume is