Q. The rate of the reaction 2NO + Cl₂ → 2NOCl is given by the rate equation rate = k[NO]²[Cl₂]. The value of the rate constant can be increased by
A) Increasing the temperature
B) Increasing the concentration of NO
C) Increasing the concentration of the Cl₂
D) Doing all of these
Explanation
[Solution from source] The rate constant depends on temperature (Arrhenius, k = A e^(−Ea/RT)), not on concentrations. Raising concentrations of NO or Cl₂ raises the rate but leaves k unchanged. Answer (1).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.