and  are-

1. Resonating structures

2. Tautomers

3. Geometrical isomers

4. Optical isomers

Subtopic:  Structural Isomers |
 72%
From NCERT
AIPMT - 2002
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NEET 2023 - Target Batch - Aryan Raj Singh
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To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh