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Chemical Engineering - Chemical Reaction Engineering

Exercise : Chemical Reaction Engineering - Section 9
41.
For a __________ order chemical reaction, , the fractional conversion of reactant 'A' is proportional to time.
zero
first
second
third
Answer: Option
Explanation:
No answer description is available. Let's discuss.
42.
Velocity of a chemical reaction
decreases with increase in temperature.
increases with increase of pressure of reactants for all reactions.
decreases with increase of reactant concentration.
none of these.
Answer: Option
Explanation:
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43.
Backmixing is most predominant in
a well stirred batch reactor.
a plug-flow reactor.
a single CSTR.
CSTR's connected in series.
Answer: Option
Explanation:
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44.
If helium is introduced in a reactor containing O2, SO2 and SO3 at equilibrium, so that total pressure increases while volume and temperature remains constant. In this case the dissociation of SO3 (as per Le Chatlier principle)
decreases
increases
remains unaltered
changes unpredictably.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
45.
Consider a reversible exothermic reaction in a plug flow reactor. The maximum and minimum permissible temperatures are Tmax and Tmin respectively. Which of the following temperature (T) profiles will require the shortest residence time to achieve the desired conversion.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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