EASY
12th West Bengal Board
IMPORTANT
Earn 100

What is meant by instantaneous reaction rate?

Important Questions on Chemical Kinetics

EASY
12th West Bengal Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 4 - Chemical Kinetics>West Bengal Board-2018>Q 2
What is activation energy of a reaction?
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.