EASY
12th ICSE
IMPORTANT
Earn 100

25% of a first-order reaction is completed in 30 minutes. Calculate the time taken in minutes for the reaction to go to 90% completion.

Important Questions on Chemical Kinetics
EASY
12th ICSE
IMPORTANT

MEDIUM
12th ICSE
IMPORTANT
A first order reaction is completed in minutes at and in minutes at . Calculate the activation energy of the reaction.
().
