A certain reaction `A rarr B` follows the given concentration (Molarity)-time graph. Which of the following statements is/are true?

Options

A. The reaction is second order with respect to A
B. The rate for this reaction at 20 second will be `7xx10^(-30) M s^(-1)`
C. The rate for this reaction at 80 second will be `1.75xx10^(-3) M s^(-1)`
D. The [B] will be 0.35 M at t=60 second

Answer

B,D

Explanation

Rate for the reaction at 20 second `=0.35/50=7xx10^(-3) Ms^(-1)`
`{:(,Ato,B),(t=0,0.4,0),(t=60,0.05,0.35):}`