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Chemical Reaction Engineering

Chemical Reaction Engineering
Conversion increases with increase in temperature in case of a an __________ reaction.

Reversible exothermic
Irreversible
Autocatalytic
Reversible endothermic

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Chemical Reaction Engineering
A pulse tracer is introduced in an ideal CSTR (with a mean residence time ι) at time, t = 0. The time taken for the exit concentration of the tracer to reach half of its initial value will be

2τ
τ/0.693
0.5τ
0.693τ

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Chemical Reaction Engineering
A rise in temperature

Does not affect a catalysed reaction
Normally tends to increase the reaction rate
Does not affect photo-chemical reaction rates
All of these

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Chemical Reaction Engineering
The rate constant of a chemical reaction increases by 100 times when the temperature is increased from 400 °K to 500 °K. Assuming transition state theory is valid, the value of E/R is

8764°K
8621°K
9210°K
8987°K

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Chemical Reaction Engineering
Which of the following is an independent variable for a batch tank reactor with uniform concentration and temperature?

Time
Useful volume of the tank
Diameter of the reactor
None of these

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Chemical Reaction Engineering
The reaction in which one of the products of reaction acts as a catalyst is called a/an __________ reaction.

Catalytic
Biochemical
Photochemical
Autocatalytic

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MORE MCQ ON Chemical Reaction Engineering

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