Energy of Activation Multiple Choice Questions (MCQ) PDF Download

MCQ 1: Use of catalyst in the reaction changes

1. Entropy
2. Enthalpy
3. Internal energy
4. Activation energy

MCQ 2: It is a short-lived species and decomposes into products immediately

1. Activated complex
2. Reactants
3. Effective molecules
4. All products

MCQ 3: The energy of activation of forwarding reaction is less than that of backward reaction in

1. Endothermic reactions
2. Exothermic reactions
3. Isothermal reactions
4. All reactions

MCQ 4: Minimum amount of energy required to activate atoms, ions and molecules to undergo chemical reaction is called

1. Kinetic energy
2. Potential energy
3. Activation energy
4. Rotational energy

MCQ 5: By increasing temperature, the rate of chemical reaction increases. It is due to

1. Greater number of molecules
2. Greater number of collisions
3. Greater velocity of molecules
4. Lesser number of molecules