Question

How is sugar charcoal prepared?

Answer 1

• Sugar charcoal is prepared by destructive distillation of sugar.It can be obtained by dehydrating sugar with concentrated sulphuric acid.

${\mathrm{C}}_{12}{\mathrm{H}}_{22}{\mathrm{O}}_{11}\left(\mathrm{s}\right)\underset{}{\to 12\mathrm{C}\left(\mathrm{s}\right)+11{\mathrm{H}}_2\mathrm{O}\left(\mathrm{l}\right).}$

• Sugar charcoal is also formed by the charring of cane sugar, which was repeatedly recrystallised to remove any organic impurities.