(A) Half life period of first order reaction is independent of concentration of the reactant
(R ) `99.9%` reaction of first order reaction completes in `10` half lives (A.P Agri - `2017` )

Options

A. Both (A) and (R ) are true and (R ) is the correct explanation of (A)
B. Both (A) and (R ) are true and (R ) is not the correct explanation of (A)
C. (A) is true but (R ) is false
D. Both (A) and (R ) are false

Answer

B