Chemical Reaction Engineering MCQs
Practice free Chemical Reaction Engineering multiple-choice questions with instant answer feedback and step-by-step solutions. Click an option to check yourself, reveal the full explanation, and work through all 496 questions — no login required.
Question 28hard
The conversion of a reactant, undergoing a first order reaction, at a time equal to three times the half life of the reaction is
Question 29medium
A typical example of an exothermic reversible reaction conducted at high pressure in industry is
Question 30hard
Recycling back of outlet stream to the reactor from an ideal CSTR carrying out a first order liquid phase reaction will result in __________ in conversion.
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Question 31medium
Threshold energy in a reaction is equal to the
Question 32hard
In case of calcination of limestone, CaCO3 CaO + CO2, the addition of more of CaO will result in __________ in the concentration of CO2.
Question 33medium
The equilibrium constant of chemical reaction __________ in the presence of catalyst.
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Question 34medium
From among the following, choose one which is not an exothermic process.
Question 35hard
If a solid-gas non-catalytic reaction occurs at very high temperature, the rate controlling step is the __________ diffusion.
Question 36hard
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