Question
a.
In catalytic reactions, the catalyst reacts with the reactants.
b.
A catalyst initiates a chemical reaction.
c.
A catalyst lowers the activation energy of the reacting molecules.
d.
A catalyst can not be recovered chemi cally unchanged at the end of the chemical reaction.
Posted under Basic Chemical Engineering
Interact with the Community - Share Your Thoughts
Uncertain About the Answer? Seek Clarification Here.
Understand the Explanation? Include it Here.
Q. Pick out the correct statement.
Similar Questions
Explore Relevant Multiple Choice Questions (MCQs)
Q. The dimensions of rate constant for reaction 3A → B are (l/gm mole)/min. Therefore the reaction order is
View solution
Q. Pick out the correct statement
View solution
Q. If the time required to complete a definite fraction of reaction varies inversely as the concentration of the reactants, then the order of reaction is
View solution
Q. For a zero order chemical reaction, the
View solution
Q. BET apparatus
View solution
Q. Radioactive decay follows __________ order kinetics.
View solution
Q. The excess energy of reactants in a chemical reaction required to dissociate into products is termed as the __________ energy.
View solution
Q. The increase in the rate of reaction with temperature is due to
View solution
Q. A catalyst loses its activity due to
View solution
Q. 'N' plug flow reactors in series with a total volume 'V' gives the same conversion as a single plug flow reactor of volume 'V' for __________ order reactions.
View solution
Q. Specific rate constant for a second order reaction
View solution
Q. A reversible liquid phase endothermic reaction is to be carried out in a plug flow reactor. For minimum reactor volume, it should be operated such that the temperature along the length
View solution
Q. 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
View solution
Q. A batch reactor is suitable for
View solution
Q. For a heterogeneous catalytic reaction
View solution
Q. Sulphuric acid is used as a catalyst in the
View solution
Q. Fractional conversion __________ with increase in pressure for ammonia synthesis reaction i.e., N₂ + 3H₂ ↔ 2NH₃.
View solution
Q. Pick out the wrong statement.
View solution
Q. The reason why a catalyst increases the rate of reaction is that, it
View solution
Q. A first order irreversible reaction, A → B is carried out separately in a constant volume as well as in a variable volume reactor for a particular period. It signifies that __________ in the two reactors.
View solution
Recommended Subjects
Are you eager to expand your knowledge beyond Basic Chemical Engineering? We've handpicked a range of related categories that you might find intriguing.
Click on the categories below to discover a wealth of MCQs and enrich your understanding of various subjects. Happy exploring!