1.

when phenol is heated with pthalic anhydride in concentrated sulphuric acid and the hot reaction mixture is poured into a dilute solution of sodium hydroxide,the product formed is (a)Alizarin (b)Methyl orange (c)Fluorescein (d)Phenolphthalein

Answer» when phenol is heated with pthalic anhydride in concentrated sulphuric acid and the hot reaction mixture is poured into a dilute solution of sodium hydroxide,the product formed is (a)Alizarin (b)Methyl orange (c)Fluorescein (d)Phenolphthalein


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