BITSAT2011ChemistryAldehydes and KetonesActual
The reagent (s) which can be used to distinguish acetophenone from benzophenone is (are)
Options
- A2,4 - dinitrophenylhydrazine
- Baqueous solution of NaHSO ₃
- Cbenedict reagent
- DI ₂ and NaOH
Correct answer
D. I ₂ and NaOH
Step-by-step solution
I ₂ and NaOH react with acetophenone ( C ₆ H ₅ COCH ₃ ) to give yellow ppt. of CHI ₃ but benzophenone ( C ₆ H ₅ COC ₆ H ₅ ) does not give haloform test.