Which of the following is a characteristic of a first-order reaction?

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Question: Which of the following is a characteristic of a first-order reaction?

Options:

Correct Answer: Rate is directly proportional to concentration

Solution:

In a first-order reaction, the rate is directly proportional to the concentration of the reactant.

Which of the following is a characteristic of a first-order reaction?

Which of the following is a characteristic of a first-order reaction?

Step 1: Understand what a first-order reaction is. It is a type of chemical reaction.
Step 2: Know that in a first-order reaction, the speed (rate) of the reaction depends on how much of the reactant is present.
Step 3: Remember that 'directly proportional' means if you increase the amount of reactant, the rate of the reaction increases in a predictable way.
Step 4: Conclude that the key characteristic of a first-order reaction is that its rate changes directly with the concentration of the reactant.

No concepts available.