Question

What is the purpose of washing the dibenzalacetone with water?

To remove excess sodium hydroxide.

To make it easier to filter.

To remove excess benzaldehyde.

To remove excess acetone.

Answer 1

Reagents which are present in excess can be washed out.

In which, Water soluble compounds can only be separated.

acetone, benzaldehyde and NaOH are water soluble. Product dibenzalacetone is not water soluble.

So; If any excess reagent present in product can be removed by water wash.

Correct answer(s) are:

To remove excess sodium hydroxide

To remove excess benzaldehyde

to remove excess acetone.