Class 12 NEET Chemistry Aldehydes, Ketones And Carboxylic Acids Part 1

An ester (A) with molecular formula, C9H10O2 was treated with excess of CH3‌MgBr and the complex so formed, was treated with H2SO4 to give an olefin ( B ). Ozonolysis of (B) gave a ketonewith molecular formula C8H8O which shows +ve iodoform test. The structure of (A) is