Question

139. Decomposition of H2O2 was studied by titration against
• KMnO4 solution. It was found that 0.4 mole of H2O2 was
reduced to 0.2 mole in 20 minutes and to 0.1 mile in
40 minutes and to 0.05 mole after one hour. The order
of reaction must be
(a) 0
(b) 1
(c) 2
(d) 3​

Answer 1

Answer:

your Answer of this question is C) 2