Question
Why are carbohydrates generally optically active?
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$\text{H}_3\text{C}-\text{C}\equiv\text{C}-\text{H}\ \ \ \ \xrightarrow{\text{Hg}^{2+},\text{ H}_2\text{SO}_4}$
CH3CH(CH3)CH2C(CH3)2COCH3
Benzaldehyde, p-Tolualdehyde, p-Nitrob.