Question

To purify impure sample of benzoic acid by the process of crystallization:

Answer 1

The crude sample of benzoic dissolve in warm water and gradually with stirring minimum quantity of boiling water just sufficient to dissolve benzoic acid.

Filter the hot solution by using filter paper and Funnel. insoluble impurities are let on the filler paper let the filters solution came to room temperature by itself now cool it by placing in cold water through.

Now separate the crystals by alternation using funnel and filter paper wash The Crystal with cold water, transfer the crystals on another filter paper and dry it this is a process of benzoic acid