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Zero Order Reaction

Easychemistry

For a zero-order reaction, the plot of concentration vs time is:

Select the correct option:

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About This Question

Subject
chemistry
Chapter
chemical kinetics
Topic
zero order reaction
Difficulty
Easy
Year
2025
Tags
Zero OrderConcentration vs TimeGraphical Representation

Solution

Correct Answer:

Straight line with negative slope

For a Zero-Order Reaction, the rate is independent of the reactant concentration: Integrating this differential equation:

  • Comparing with :
  • : (Concentration at time )
  • : (Time)
  • : (Slope is negative)
  • Thus, the graph is a straight line with a negative slope.

This easy difficulty chemistry question is from the chapter chemical kinetics, covering the topic of zero order reaction. It appeared in the 2025 exam.

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