engineering chemistry MCQ #4925

The rate of a reaction is given by rate = k[A]². If [A] is doubled, the rate will be

engineering chemistry MCQ #4925

Question 1
Q1. The rate of a reaction is given by rate = k[A]². If [A] is doubled, the rate will be
- A) 4 times
- B) 2 times
- C) 8 times
- D) unchanged
Answer: 4 times
Explanation: New rate = k(2[A])² = 4k[A]², so the rate is 4 times the original rate.