Saved Bookmarks
| 1. |
4. During preparation of arenediazonium salt the excess of nitrous acid, if any, is removed by adding :- 1) Aq. Na2CO3. (2) Aq. NaOH 3) Aq. NH2CONH2. (4) NH4OH |
| Answer» 4. During preparation of arenediazonium salt the excess of nitrous acid, if any, is removed by adding :- 1) Aq. Na2CO3. (2) Aq. NaOH 3) Aq. NH2CONH2. (4) NH4OH | |