In the presence of acid, the initial concentration of cane sugar was reduced from 0.2 M to 0.1 M in 5 h and to 0.05 M in 10 h. The reaction must be of

Options

A. zero order
B. first order
C. Second order
D. third order

Answer

B

Explanation

`k_(1)=(1)/(5) In (0.2)/(0.1)`, `k_(2)=(1)/(10)In(0.2)/(0.05)`, `k_(1)=k_(2)`.