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. fractional order

Answer

B

Explanation

`t_(1//2)prop(1)/((C_(0))^(n-1))therefore` reaction is of first order.