MCQ
Which isomer of $C _4 H _{10} O$ is optically active?
- A2-methylpropan-l-ol
- B2-methylpropan-2-ol
- CButan-1-ol
- ✓Butan-2-ol
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P: n = 4; l = 3
Q: n = 5; I = 1
R: n = 5; l = 0
S: n = 4; l = 2