Question
An inhibitor is essentially:(a) a negative catalyst(b) a heterogeneous catalyst(c) an auto catalyst.(d) a homogeneous catalyst
Step 1
An inhibitor is a substance that slows down or prevents a particular chemical reaction. Show more…
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Key Concepts
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(a) What is a catalyst? (b) What is the difference between a homogeneous and a heterogeneous catalyst? (c) Do catalysts affect the overall enthalpy change for a reaction, the activation energy, or both?
In homogeneous catalytic reactions, the rate of reaction (a) depends upon the concentration of catalyst (b) depends upon physical state of catalyst (c) is independent of the physical state of catalyst (d) is independent of the concentration of catalyst
A catalytic poison renders the catalyst ineffective because (a) it is preferentially adsorbed on the catalyst. (b) it adsorbs the molecules of the reactants. (c) it combines chemically with the catalyst. (d) it combines with one of the reactant.
Surface Chemistry
Exercises II
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