Question

For zero order reaction, when [A]_t is plotted against time (t), the slope of the straight line obtained is equal to ______.

Options

• - k

• - kt

• k

• [A]₀

Answer 1

For zero order reaction, when [A]t is plotted against time (t), the slope of the straight line obtained is equal to - k.

Explanation:

For zero order reaction

k = `(["A"]_0 - ["A"]_"t")/"t"`

[A]₀ - [A]_t = kt

∴ [A]_t  =  - k  t  + [A]₀ 
     ↓           ↓  ↓       ↓
     Y         m  x       C