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 Reaction rates and reversible reactions questions and answers

When bromine gas reacts with aqueous sodium hydroxide, the equilibrium represented by the equation: #Br_2(aq)+2OH^(-) (aq) overset(rightarrow)(leftarrow) Br^(-) (aq)+OBr^(-)(aq)+H_2O#(l)is established. What observation would be made if a few drops of sulphuric (VI) acid were added to the equilibrium mixture? Explain.

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Answer Text:
- The mixture will turn brown due to excess #Br_2#(g). hydrogen ions
remove hydroxide ions from the mixture , and equilibrium shift to the left.


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