MCQ
Which among the following compound show optical activity
- A

- B

- C

- ✓







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$A \xrightarrow[ { Cu\; tube }]{\text { Redhot }}\mathrm{B} \xrightarrow[ Anhydrous AlCl_3]{\mathrm{CH}_{3} \mathrm{Cl}(1 \mathrm{eq}} \mathrm{C}$
($A$ is a lowest molecular weight alkyne)

$HCHO$ $^tBuOH$
$CH_3CHO$ $MeOH$
The best combination is
