Which of the following factors will speed up the rate of evolution of carbon (iv) oxide in the reaction below?
2HCl + CaCO(_3) → CaCl(_2) + H(_2)O + CO(_2)
-
A.
Increasing the concentration of the acid -
B.
Increasing the surface area of CaCO(_3) -
C.
A and B -
D.
Reducing the concentration of the acid
Correct Answer: Option C
Explanation
The following factors increase a reaction rate
– Increase in concentration of reactants
– Increase in temperature
– Addition of catalyst
– Increase in the surface area of reactant(s)
There is an explanation video available below.