EASY
12th West Bengal Board
IMPORTANT
Earn 100

What is activation energy of a reaction?

Important Questions on Chemical Kinetics

MEDIUM
12th West Bengal Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 4 - Chemical Kinetics>West Bengal Board-2018>Q 3
Show that the time required for 99% completion of a first order reaction is twice the time required for 90% completion of that reaction.
EASY
12th West Bengal Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 4 - Chemical Kinetics>West Bengal Board-2018>Q 4
Derive an integrated rate equation for a first order reaction.
MEDIUM
12th West Bengal Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 4 - Chemical Kinetics>West Bengal Board-2018>Q 5
The half-life of a zero order reaction is x second. If the reaction takes t1 second to complete, calculate t1 in terms of x.
HARD
12th West Bengal Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 4 - Chemical Kinetics>West Bengal Board-2019>Q 6
Draw the graph of half-life period t12 versus initial concentration of reactant a0 for a zero order reaction. Give reasons in favour of your answer.
HARD
12th West Bengal Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 4 - Chemical Kinetics>West Bengal Board-2019>Q 7
The rate of a reaction at 400 K is 10 times than the rate of the reaction at 200 K. Calculate activation energy of the reaction.
MEDIUM
12th West Bengal Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 4 - Chemical Kinetics>West Bengal Board-2019>Q 8
The unit of rate constant of a chemical reaction is L2mol-2s-1. Calculate order of the reaction.
HARD
12th West Bengal Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 4 - Chemical Kinetics>West Bengal Board-2019>Q 9
The rates of a first order reaction after 10 mins and 20 mins from the commencement of the reaction are 0.04 mol L-1 s-1 and 0.03 mol L-1 s-1 respectively. Calculate half-life period of the reaction.