Answer :
The correct option is (B) increase.
What is rate of reaction?
The measure of the change in reactant or product concentration per unit of time is known as the reaction rate for a specific chemical reaction.
How can the rate of reaction be changed?
The rate law and collision theory both state that reaction rate increases with concentration. Collisions happen more frequently as reactant concentration rises. Pressure causes a rise in the rate of gaseous reactions, which is actually comparable to a rise in the gas's concentration.
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The complete question is:
Consider two gases, A and B, are in a container at room temperature. What effect will the following changes have on the rate of the reaction between these gases? The number of molecules of gas A is doubled.
(A)decrease
(B)increase
