JEE Main 2016 · 3 Apr · Shift 1 · Chemistry Q51

ChemistrySingle correct+4 / -1Question 51 of 90

The distillation technique most suited for separating glycerol from spent-lye in the soap industry is :

Simple distillation

Fractional distillation

Steam distillation

Distillation under reduced pressure

Answer and worked solution

Official answer: D

Glycerol decomposes at its boiling point (290 °C), so it is distilled from spent lye under reduced pressure.

JEE Main 2016 · 3 Apr · Shift 1, Chemistry question 51