Question: Which of the following is a strong -M group?
Options:
-OCH3
-NO2
-CH3
-F
Correct Answer: -NO2
Solution:
-NO2 is a strong -M group as it withdraws electron density through resonance.
Which of the following is a strong -M group?
Practice Questions
Q1
Which of the following is a strong -M group?
-OCH3
-NO2
-CH3
-F
Questions & Step-by-Step Solutions
Which of the following is a strong -M group?
Step 1: Understand what a -M group is. A -M group (minus mesomeric group) is a substituent that withdraws electron density from a molecule through resonance.
Step 2: Identify the group in the question. The group given is -NO2 (nitro group).
Step 3: Analyze how -NO2 behaves. The -NO2 group has a strong ability to pull electron density away from the rest of the molecule due to its structure.
Step 4: Confirm that -NO2 withdraws electron density through resonance. This means it can stabilize the molecule by delocalizing electrons.
Step 5: Conclude that since -NO2 withdraws electron density effectively, it is classified as a strong -M group.
No concepts available.
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