MCQOPTIONS
Saved Bookmarks
| 1. |
A mixture when heated with conc. \[{{H}_{2}}S{{O}_{4}}\] with \[Mn{{O}_{2}}\] brown fumes are formed due to |
| A. | \[B{{r}^{-}}\] |
| B. | \[NO_{3}^{-}\] |
| C. | \[C{{l}^{-}}\] |
| D. | \[{{I}^{-}}\] |
| Answer» B. \[NO_{3}^{-}\] | |