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 37hard
Find a mechanism that is consistent with the rate equation and reaction given below: 2A + B → A2B, (-rA) = k.CA.CB
Question 38hard
At a given temperature, K1, K2 and K3 are equilibrium constants for the following reactions 1, 2, 3 respectively.CH4(g) + H2O(g) ⇋ CO(g) + 3H2(g), CO(g) + H2O(g) ⇋ CO2(g) + H2(g) CH4(g) + 2H2O(g) ⇋ CO2(g) + 4H2(g) Then K1, K2 and K3 are related as:
Question 39medium
The catalytic activity of enzymes is due to their capacity to lower the __________ energy.
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Question 40medium
For a fluidised bed reactor, the most suitable/relevant model is a __________ model.
Question 41hard
Which of the following is not a unit of reaction rate?
Question 42hard
Overall rate of reaction in a heterogenous catalytic reaction depends upon the mass and energy transfer from the fluid to solid surface and its rate of reaction is usually __________ the concentration of catalyst, if it does not entail a chain mechanism.
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Question 43medium
Conversion increases with increase in temperature in case of a an __________ reaction.
Question 44hard
Half life period of decomposition of a liquid 'A' by irreversible first order reaction is 12 minutes. The time required for 75% conversion of 'A' is __________ minutes.
Question 45hard
What is the value of 'n' if the reaction rate of the chemical reaction A → B, is proportional to CAn and it is found that the reaction rate triples, when the concentration of 'A' is increased 9 times?