Hydrogen and Iodine React to Form HI $\rarr$ 2 HI(g)
Consider the Following Statements in Light of This

Multiple Choice

Hydrogen and iodine react to form HI. One possible mechanism is shown below:I₂(g) 2 I(g)
H₂(g) + 2 I(g) $\rarr$ 2 HI(g)
Consider the following statements in light of this mechanism:
I. The rate law overall is second order.
II. The iodine atom is an intermediate.
III. The first step is the rate determining step.
IV. The second step is the fast step.
V. The second step is rate determining.
Which of the above statements are true?

A) II, III and IV
B) II and V
C) all except V
D) I and II only
E) I, II and V