1) The reagent (s) which can be used to distinguish acetophenone from benzophenone is (are) A) 2,4-dinitrophenylhydrazine B) aqueous solution of $NaHSO_{3}$, C) benedict reagent D) $I_{2}$and$Na_{2}Co_{3}$ Answer: Option DExplanation:I2 and Na2CO3, react with acetophenone (C6H5COCH3) to give yellow ppt. of CHI3 but benzophenone (C6H5COC6H5) does not and hence can be used to distinguish between them.