Question: Which of the following groups is a strong +M (mesomeric) director?
Options:
–NO2
–OH
–COOH
–CN
Correct Answer: –OH
Solution:
The –OH group is a strong +M director as it donates electron density through resonance.
Which of the following groups is a strong +M (mesomeric) director?
Practice Questions
Q1
Which of the following groups is a strong +M (mesomeric) director?
–NO2
–OH
–COOH
–CN
Questions & Step-by-Step Solutions
Which of the following groups is a strong +M (mesomeric) director?
Correct Answer: –OH group
Step 1: Understand what a +M (mesomeric) director is. It is a group that donates electron density to the rest of the molecule through resonance.
Step 2: Identify the –OH group. This is the hydroxyl group, which consists of an oxygen atom bonded to a hydrogen atom.
Step 3: Learn how the –OH group donates electron density. The oxygen atom has lone pairs of electrons that can be shared with the rest of the molecule, stabilizing it.
Step 4: Recognize that because the –OH group can donate electrons, it is classified as a strong +M director.
No concepts available.
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