Question:
Curve X on the graph below shows the volume of oxygen formed during the catalytic decomposition of a 1.0 mol dm$^{-3}$ solution of hydrogen peroxide.
Which change would produce the curve Y?
Curve X on the graph below shows the volume of oxygen formed during the catalytic decomposition of a 1.0 mol dm$^{-3}$ solution of hydrogen peroxide.
Which change would produce the curve Y?
Which change would produce the curve Y?
Show Hint
Increasing the concentration of reactants generally increases the rate of reaction, which can be observed as a steeper curve in the graph.
Updated On: Apr 1, 2025
- Adding water
- Adding some 0.1 mol dm$^{-3}$ hydrogen peroxide solution
- Using a different catalyst
- Lowering the temperature
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The Correct Option is B
Solution and Explanation
Adding more hydrogen peroxide (0.1 mol dm$^{-3}$) would increase the concentration of the reactant, leading to a faster rate of reaction, which would result in a higher volume of oxygen produced over time, as shown by curve Y.
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