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Chemical Reaction Engineering MCQs

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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 1hard

A first order gaseous phase reaction is catalysed by a non-porous solid. The kinetic rate constant and the external mass transfer co-efficients are k and $${{\text{k}}_{\text{g}}}$$ respectively. The effective rate constant (keff) is given by

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Question 2hard

The half life period of a first order reaction is given by (where, K = rate constant. )

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Question 3medium

Catalyst is a substance, which __________ chemical reaction.

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Question 4hard

A chemical reaction is of zero order, when the reaction rate is (where, CA = concentration of reactant)

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Question 5hard

Higher free energy of activation of a chemical reaction (at a given temperature) implies