
One of the reactions A, B, C, D given below yields a product which will not answer Hinsberg's test when reacted with Benzene sulphonyl chloride. Identify the reaction. 
| List-I | List-II | ||
| A. | ![]() | I. | Br2 in CS2 |
| B. | ![]() | II. | Na2CR2O7/H2SO4 |
| C. | ![]() | III. | Zn |
| D. | ![]() | IV. | CHCl3/NaOH |