question_answer

The reaction obey I order with respect to \[{{H}_{2}}\]and ICl both. \[{{H}_{2}}(g)+2ICl(g)\to 2HCl(g)+{{I}_{2}}(g)\] Which of the following mechanism is in con- sistent with the given fact? Mechanism\[A:{{H}_{2}}(g)+2ICl\to 2HCl(g)+{{I}_{2}}(g)\] Mechanism\[B:(i){{H}_{2}}(g)+HCl(g)\xrightarrow{\text{slow}}\]\[HCl(g)+HI(g)\]

A)  A and B both

B)  Neither A nor B

C)  A only      

D)  B only