For a first order reaction, the half life is 50 sec. Identify the correct statement form the following.

Options

A. the reaction is almost complet in 500 sec
B. the same quantity of reactant is consumed for every 50 sec of the reaction
C. quantity of reactant remaining after 100 sec is half of what remains after 50 sec
D. All the above three

Answer

C

Explanation

`100overset(50"sec")(to)50 overset(50"sec")(to)25`