For 2NO(g) + O₂(g) → 2NO₂(g), rate = k². How does the rate change if the volume of the vessel is halved?

1. A Option A: It doubles
2. B Option B: It decreases 8 times
3. C Option C: It increases 4 times
4. D Option D: It increases 8 times

Answer checked 11 October 2026 · How we write and check questions