Question

For an exothermic chemical process occurring in two as
(i) `A + B rarr X` (slow)
(ii) `X rarr AB` (fast)
The process of the reaction can be best described by
A.
B.
C.
D. None of these

Answer 1

Correct Answer - 1
Note that after formation of `X (` a slow process ) the decomposition of X is fast. The energy of activation for formation of X is high.