For a first order reaction `A rightarrow` Products, the rate of reaction at [A]=0.02M is `1.0times10^(-2)molL^(-1)min^(-1)` . The half -life period in sec is:

For a first order for the reaction A rarr products : the rate of reaction at [A]=0.2 M is 1.0 xx 10^(-3) mol L^(-1)s^(-1) . The reaction will occur to 75% completion in .

For a first order reaction A rarrB , the reaction rate at reactant concentration of 0.01 M is found to be 2.0xx10^(-5) "mol L"^(-1) s^(-1) . The half life period of the reaction is

The rate constant of first order reaction is 10^(-2)"min"^(-1) . The half-life period of reaction is

For a first-order reaction A rarr B the reaction rate at reactant concentration of 0.10 M is found to be 2.0 xx 10^(-5) "mol" L^(-1) s^(-1) . The half-life period of the reaction is

For a first order reaction A to B the reaction rate at reactant concentration of 0.01M is found to be 2.0 times10^–5 mol L^–1s^–1 . The half life period of the reaction is: