Interpretation:
The gas-phase reaction,
Concept Introduction:
Rate of a reaction represents the speed at which a
Rate law:
In rate law, the rate of a reaction is expressed as function of the reactants and products in the reaction.
For a reaction,
where k is called the rate constant.
Explanation of Solution
Reason for correct option:
Given equation is:
Rate law is:
When the concentration of both the reactants are doubled. Then the rate law becomes,
Thus the rate is increased by four times. That is the rate is increased by a factor of 4.
Hence the correct option is (D).
Reason for incorrect option:
From the above explanation of rate law, it is clear that options (A), (B) and (C) are incorrect.
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