Question 3 of 132

A hypothetical reaction, A2 +B2  2AB mechanism as given below;

A2 A+ A          ............(Fast)

A+B2 → AB + B   ............(Slow)

A+ → AB         ............(Fast)

The order of the overall reaction is:

(a) 2

(b) 1

(c)11

(d) zero