The rate of a chemical reaction doubles for every 10°C rise in temperature. This is described by:
- Arrhenius equation
- Le Chatelier's principle
- Hardy-Schulze rule
- Van't Hoff rule
Answer: Van't Hoff rule
Van't Hoff approximation states reaction rate roughly doubles per 10°C temperature increase. Arrhenius equation gives precise temperature dependence. Important for kinetics problems. [[NCERT Chemistry Class 12]]