Identify molecular formula of laevulose .

Identify molecular formula of laevulose .
  1. $\mathrm{C}_6 \mathrm{H}_{12} \mathrm{O}_6$
  2. $\mathrm{C}_5 \mathrm{H}_{10} \mathrm{O}_5$
  3. $\mathrm{C}_4 \mathrm{H}_8 \mathrm{O}_4$
  4. $\mathrm{C}_3 \mathrm{H}_6 \mathrm{O}_3$

Solution

Fructose $\left(\mathrm{C}_6 \mathrm{H}_{12} \mathrm{O}_6\right)$ is a laevorotatory ketohexose and it shows laevorotation. $[\propto]_D^{20}=-92.4^{\circ}$
Thus, fructose is also called laevulose.

Asked in: MHT CET 2024 (03 May Shift 1)

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