Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Which ring in each compound is more reactive toward electrophiles?

a.
b.
Transcribed Image Text:a. b.
Expert Solution
Step 1

The species that are electron deficient can be defined as electrophiles. Since, they have less electron density so they will attack at positions where electron density is high.

Step 2

a) The labelled compound is shown below.

Chemistry homework question answer, step 2, image 1

The first ring in the compound has an ester group attached to it. Ester group is an electron donating group, so it activates the ring. Activating the ring means that it increases the electron density on the ring. Ring I is electron rich, so the attack of electrophile will be easy. 

Therefore, the electrophilic attack takes place at ring I.

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