[" The rate constant for a first order reaction is "],[100s^(-1)" .The time required for completion of "50%" of "],[" reaction is "]

Select and write the most appropriate answer from the given alternatives for each sub-question: The rate constant for a first order reaction is 100 S^(-1) . The time required for completion of 50% of reaction is :

If the rate constant for a first order reaction is k, the time (t) required for the completion of 99% of the reaction is given by :

If the rate constant for a first order reaction is k, the time (t) required for completion of 99 % of the reaction is given by

If the rate constant for a first order reaction is k, the time (t) required for the completion of 99% of the reaction is given by :

For a first order reaction we have K=100s^(-1) . The time for completion of 50% reaction is