A compound `x` gives iodoform test. It reacts with `KMnO_(4)`, which on heating gives anhydride. The anhydride is used in the preparation of phenolphthalein. The compound `x` is

A compound that gives positive iodoform test Is :

The compounds does not gives iodoform test

A compound that gives positive iodoform test is

Compound (C_(9)H_(10)O) shows positive iodoform test. Oxidation of A with KMnO_(4)//KOH gives acid B(C_(8)H_(6)O_(4)) anhydride of B is used for the preparation of phenolphthalein compound is

A compound that gives a positive iodoform test is