`t_(1//2) =` constant confirms the first order of the reaction as one `a^(2)t_(1//2) =` constant confirms that the reaction is of

Options

A. Zero order
B. First order
C. Second order
D. Third order

Answer

D

Explanation

Given `t_(1/2) prop (1)/(a^(2))`
`:. t_(1/2) prop (1)/(a^(n-1))" "n - 1 = 2" "n = 3`