The mechanism of a catalyzed reactionO Is always different from the uncatalyzed reactionO May be different from the uncatalyzed reactionO Results in lower-energy intermediates than the uncatalyzedreactionsOProceeds through a higher-energy transition state than theuncatalyzed reaction

Answered: The mechanism of a catalyzed reaction O…

Chemistry: Matter and Change

1st Edition

ISBN:9780078746376

Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom

Publisher:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom

Chapter16: Reaction Rates

Section: Chapter Questions

Problem 79A

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The mechanism of a catalyzed reaction
O Is always different from the uncatalyzed reaction
O May be different from the uncatalyzed reaction
O Results in lower-energy intermediates than the uncatalyzed
reactions
OProceeds through a higher-energy transition state than the
uncatalyzed reaction

Expert Solution

Step 1

A catalyst is a substance that increases the rate of the chemical reaction generally. It changes the mechanism of the reaction. It lowers the activation energy for the formation of the transition state or reaction intermediate. The reaction intermediate is highly unstable and decomposes to release the final product of the reaction and the catalyst. The catalyst is recovered after the reaction as it was initially. The first statement is true and the second statement is false.

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