Chemistry · Isomerism
JEE Advanced 2021 — Paper 1 — Question 12
Among the following, the conformation that corresponds to the most stable conformation of meso-butane- 2,3-diol is
- Option A:

- Option B:Correct

- Option C:

- Option D:

Answer: B
Step-by-step solution
The most stable conformation of meso-butane-2,3-diol is the gauche-gauche conformation around the C2–C3 bond. This is because the two –OH groups form intramolecular hydrogen bonds, and steric hindrance is minimised.
Answer key and solution verified before publishing.
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- Exam
- JEE Advanced 2021
- Paper
- Paper 1
- Subject
- Chemistry
- Chapter
- Isomerism
- Topic
- Conformational Isomerism