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
- The element with the configuration $1s^2 2s^2 2p^6 3s^2 3p^6$ is an:
- What is the value of the ionic product of water ($K_w$) at 298 K?
- The electronic configuration of an ion X2+ is 2, 8. What is the atomic number of X?
- What is the percentage of Oxygen in CO2? (C=12, O=16)
- What is the state of Carbon dioxide at room temperature?