11th Class Chemistry Redox Reactions Question Bank 11th CBSE Chemistry Redox Reactions

  • question_answer What will happen when chlorine is passed through an aqueous solution of potassium bromide?

    Answer:

                    The solution will acquire an orange colour due to the vapours of bromine that are evolved. Actually, chlorine is a stronger oxidising agent than bromine and oxidises \[B{{r}^{-}}\] ions (in KBr) to \[B{{r}_{2}}\] and itself is reduced to \[C{{l}^{-}}\] ions. \[2KBr+C{{l}_{2}}\xrightarrow{\,}2KCl+B{{r}_{2}}\]


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