Cumene is a better starting material for the preparation of phenol. Why? Share with your friends Share 0 Divyanshi Agarwal answered this Beacuse it also gives acetone as a byproduct which is also an industrially important compound. 6 View Full Answer Jai Mehta answered this Because its side product that is acetone is also of economic importance. -2 Reena answered this Acteone is obtained as bi-product along with organic compound. -3