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Chemical Engineering - Chemical Reaction Engineering

Exercise : Chemical Reaction Engineering - Section 1
41.
For a solid catalysed chemical reaction, the effectiveness of solid catalyst depends upon the __________ adsorption.
physical
chemical
both (a) and (b)
neither (a) nor (b)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
42.
Pick out the correct statement.
In catalytic reactions, the catalyst reacts with the reactants.
A catalyst initiates a chemical reaction.
A catalyst lowers the activation energy of the reacting molecules.
A catalyst can not be recovered chemi cally unchanged at the end of the chemical reaction.
Answer: Option
Explanation:
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43.
The dimensions of rate constant for reaction 3A B are (l/gm mole)/min. Therefore the reaction order is
0
1
2
3
Answer: Option
Explanation:
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44.
Pick out the correct statement
Reactions with high activation energies are very temperature sensitive.
Chemical equilibrium is a static state.
A photochemical reaction is catalysed by light.
A chemical reaction occurs when the energy of the reacting molecule is less than the activation energy of the reaction.
Answer: Option
Explanation:
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45.
If the time required to complete a definite fraction of reaction varies inversely as the concentration of the reactants, then the order of reaction is
0
1
2
3
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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