Chemistry
JAMB 2009
A catalyst increase the rate of a chemical reaction by providing a path that?
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A.
raise the activiation energy
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B.
increase the temperature
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C.
lowers the activation energy
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D.
increase the concentration
Correct Answer: Option C
Explanation
The rate of a reaction can be increased by adding a suitable catalyst.
A catalyst is a substance which increases the rate of a chemical reaction but it is not used up (remains chemically unchanged at the end).
It provides an alternative reaction pathway of lower activation energy.
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