Complete the reaction

Complete this reaction Benzene + ? rarr Acetophenone

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

1 complete light reaction involves _____ quanta of light.

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

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

For the reaction : A rarr Products, the time for 75% completion of reaction is 5 times for 50% completion of reaction. The order of reaction is :

Value of x used for completion of reaction will be :