For a zero-order reaction, how does the concentration of reactant change over ti

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Question: For a zero-order reaction, how does the concentration of reactant change over time?

Options:

Correct Answer: Linearly with time

Solution:

In a zero-order reaction, the rate is constant, leading to a linear decrease in concentration over time.

For a zero-order reaction, how does the concentration of reactant change over time?

For a zero-order reaction, how does the concentration of reactant change over time?

Step 1: Understand that a zero-order reaction means the rate of the reaction does not depend on the concentration of the reactant.
Step 2: Recognize that the rate of the reaction is constant over time.
Step 3: Since the rate is constant, the amount of reactant decreases by the same amount in equal time intervals.
Step 4: This results in a straight line when you plot the concentration of the reactant against time.
Step 5: Therefore, the concentration of the reactant decreases linearly over time.

Zero-Order Reaction – In a zero-order reaction, the rate of reaction is constant and does not depend on the concentration of the reactant.
Concentration vs. Time – The concentration of the reactant decreases linearly over time, represented by a straight line on a concentration vs. time graph.