Which of the following would increase the rate of reaction of chips of a metal M as shown in the equation below? M(s) + 2HCI(aq) → MCI2(aq) + H2(g)

A. Diluting the hydrochloric acid
B. Adding some distilled water
C. Decreasing the temperature
D. Grinding the metal into powder
E. Increasing the pressure

Correct Answer:

Option D – Grinding the metal into powder