A) \[B{{r}^{-}}\]
B) \[NO_{3}^{-}\]
C) \[C{{l}^{-}}\]
D) \[{{I}^{-}}\]
Correct Answer: A
Solution :
It is a lab method for the preparation of \[B{{r}_{2}}\] e.g. \[2\ KBr\ +\ Mn{{O}_{2}}\ +\ {{H}_{2}}S{{O}_{4}}\ \to \]\[\underset{\text{Brown}\ \text{gas}}{\mathop{B{{r}_{2}}}}\,\ +\ 2\ KHS{{O}_{4}}\ +\ MnS{{O}_{4}}\]You need to login to perform this action.
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