What is the primary reason for the +M effect of -OCH3?
Practice Questions
1 question
Q1
What is the primary reason for the +M effect of -OCH3?
Inductive effect
Resonance effect
Steric hindrance
Electronegativity
The +M effect of -OCH3 is primarily due to resonance effect, where the lone pairs on oxygen can delocalize into the aromatic ring.
Questions & Step-by-step Solutions
1 item
Q
Q: What is the primary reason for the +M effect of -OCH3?
Solution: The +M effect of -OCH3 is primarily due to resonance effect, where the lone pairs on oxygen can delocalize into the aromatic ring.
Steps: 5
Step 1: Understand what +M effect means. +M effect refers to the ability of a substituent to donate electron density to an aromatic ring through resonance.
Step 2: Identify the substituent in question, which is -OCH3 (methoxy group).
Step 3: Recognize that the -OCH3 group has lone pairs of electrons on the oxygen atom.
Step 4: Learn that these lone pairs can be shared with the aromatic ring, allowing them to move into the ring structure.
Step 5: Conclude that this sharing of electrons through resonance is the primary reason for the +M effect of -OCH3.
