TS EAMCET · Chemistry · General Organic Chemistry
Consider the following three resonance structures
The correct order of their stabilities is:
- A II \(>\) I \(>\) III
- B I \(>\) II \(>\) III
- C III \(>\) I \(>\) II
- D III \(>\) II \(>\) I
Answer & Solution
Correct Answer
(A) II \(>\) I \(>\) III
Step-by-step Solution
Detailed explanation
A neutral structure with conjugation is more stable than the charged and unconjugated structures. Thus, II is most stable. Among I and III, I is more stable as it has conjugation of \(\pi\)-electrons and lone-pair electrons. Thus, the stability order will be II \(>\) I \(>\) III.
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