Consider the Reaction Below $\rightarrow$ 2AB Rate = K[A]²[B]
Which of the Following Mechanisms Is

Consider the reaction below.
2A + B₂ $\rightarrow$ 2AB Rate = k[A]²[B]
Which of the following mechanisms is likely and consistent with the experimental rate law?
1.A + A + B₂ $\rightarrow$ 2AB
2.B₂
$f$
2B K,Fast
A + B $\rightarrow$ AB k,Slow"
3.B₂ $\rightarrow$ 2B k₁,Slow
A + B $\rightarrow$ AB k₂,Fast"
4.2A
$f$
A₂ K,Fast
B₂ + A₂ $\rightarrow$ 2AB k,Slow"

A) 2
B) 3
C) 4
D) 1
E) 2 and 3