Glycerin is a polar compound. It boils at 290°C under l atm. It should be distilled under reduced pressure due to the reason that?

• A. It decomposes at 290°C.
• B. low pressure makes the liquid to boil at high temperature.
• C. There are strong intermolecular forces between molecules of glycerin.
• D. The reduced pressure decreases the boiling point of liquids.