The time for half life of a first order reaction is 1 hr. what is the time taken for 87.5% completion of the reaction?

The time taken for 10% completion of a first order reaction is 20 min . Then for 19% completion the reaction will take :

The time required for 60 % completion of a first order reaction is 50 min . The time required for 93.6 % completion of the same reaction will be

The half life period of a zero order reaction is equal to :

The half life period of a first order reaction is 10 minutes. Then its rate constant is

The half life period of a first order chemical reaction is 6.93 minutes . The time required for the completion of 99% of the chemical reaction will be ( log 2 = 0.301 ) :