Question

Rate of a reaction is of 2nd order w.r.t A and Ist order w.r.t B. If concentration of A is halved and concentration of B becomes $\frac{1}{3}^{rd}$ of initial concentration. The rate of reaction becomes :

• A. 12 times
• B. $\frac{1}{12}$ times
• C. 6 times
• D. $\frac{1}{6}$ times

Answer 1

Answer: (B)

$\frac{1}{12}$ times

Answer 2

The correct option is (B) :$\frac{1}{12}$ times.