HARD
12th West Bengal Board
IMPORTANT
Earn 100

Define threshold energy and activation energy. How are these related to each other?

Important Questions on Chemical Kinetics

HARD
12th West Bengal Board
IMPORTANT
NEW SYSTEMATIC MODERN CHEMISTRY>Chapter 4 - Chemical Kinetics>REVIEW EXERCISES>Q 17
What is Arrhenius equation? Discuss its importance.
MEDIUM
12th West Bengal Board
IMPORTANT
NEW SYSTEMATIC MODERN CHEMISTRY>Chapter 4 - Chemical Kinetics>REVIEW EXERCISES>Q 18
What would you expect : an exothermic reaction to go fast or slow at a higher temperature and why? Do you carry out such reactions commercially at higher or lower temperature? Give reasons for your answer.
MEDIUM
12th West Bengal Board
IMPORTANT
NEW SYSTEMATIC MODERN CHEMISTRY>Chapter 4 - Chemical Kinetics>REVIEW EXERCISES>Q 19
Define 'order' and 'molecularity' of a chemical reaction. Are they same always?
HARD
12th West Bengal Board
IMPORTANT
NEW SYSTEMATIC MODERN CHEMISTRY>Chapter 4 - Chemical Kinetics>REVIEW EXERCISES>Q 20
What is meant by the term 'catalyst' in a chemical reaction? Mention the characteristic features of catalyst.
HARD
12th West Bengal Board
IMPORTANT
NEW SYSTEMATIC MODERN CHEMISTRY>Chapter 4 - Chemical Kinetics>REVIEW EXERCISES>Q 1
What do you understand by rate of a reaction and specific reaction rate? How the rate of a reaction can be determined?
HARD
12th West Bengal Board
IMPORTANT
NEW SYSTEMATIC MODERN CHEMISTRY>Chapter 4 - Chemical Kinetics>REVIEW EXERCISES>Q 2
What do you understand by order and molecularity of a reaction? Give the important distinguishing features between the two.
HARD
12th West Bengal Board
IMPORTANT
NEW SYSTEMATIC MODERN CHEMISTRY>Chapter 4 - Chemical Kinetics>REVIEW EXERCISES>Q 3
Discuss the effect of concentration and temperature on reaction rates.
HARD
12th West Bengal Board
IMPORTANT
NEW SYSTEMATIC MODERN CHEMISTRY>Chapter 4 - Chemical Kinetics>REVIEW EXERCISES>Q 4
Define the terms' threshold energy and activation energy. Using the concept of activation energy, explain the role of a catalyst on the rate of reaction.