Chemistrymedium · Past Paper
What happens to the rate of reaction if the concentration of reactants is decreased?
AIncreases
BDecreases
CStays the same
DFirst increases then decreases
✓ Correct Answer: B — Decreases
Lower concentration means fewer particles per unit volume, leading to fewer successful collisions.
Share this question
More from Chemistry
- Which of the following is an exothermic reaction?
- The chemical formula of Azurite (a copper ore) is:
- Which metal is used to make the filament of an electric bulb?
- Which of the following is used as an electrolyte in the Hall-Heroult process?
- What is the concentration of $H^+$ ions in a neutral solution at 25°C?