Question

A substance 'A' decomposes by a first order
reaction starting initially with [A] = 2.00 m and
after 200 min, [A] becomes 0.15 m. For this
reaction t ½ is
(a) 53.72 min (b) 50.49 min
(c) 48.45 min (d) 46.45 min

Answer 1

Answer:

substance 'A' decomposes by a first order

reaction starting initially with [A] = 2.00 m and

after 200 min, [A] becomes 0.15 m. For this

reaction t ½ is

((b) 50.49 min

Answer 2

Answer:

A substance 'A' decomposes by a first order

reaction starting initially with [A] = 2.00 m and

after 200 min, [A] becomes 0.15 m. For this

reaction t ½ is

Explanation:

(b) 50.49 minutes