The Following Reaction in Aqueous Solution Was Found to Be $\rarr$

question 107

Multiple Choice

The following reaction in aqueous solution was found to be first order in [OH^-], first order in [C₂H₅Br], and inverse first order in Br^-.
C₂H₅Br + OH^- $\rarr$ C₂H₅OH + Br^-
Which one of the following mechanisms is consistent with the observed reaction order?

• A)C₂H₅Br \(\rarr\) C₂H₅⁺ + Br^{- -} fast C₂H₅⁺ + OH^- \(\rarr\) C₂H₅OH slow
• B)C₂H₅Br +H₂O \(\rarr\)C₂H₅OH + H⁺ + Br^- slow H⁺ + OH^- \(\rarr\) H₂O fast
• C)C₂H₅Br \(\rarr\)C₂H₅⁺ + Br^- slow C₂H₅⁺ + OH^- \(\rarr\)C₂H₅OH fast
• D)C₂H₅Br \(\rarr\) C₂H₅⁺ + Br^- slow OH^- + Br^- \(\rarr\) HOBr fast
• HOBr + C₂H₅⁺ \(\rarr\) C₂H₅OH + Br^- fast

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Definitions:

Demand Curve

A graph showing the relationship between the price of a good and the quantity of that good consumers are willing and able to purchase, typically depicting a downward slope.

Competitive Market

A market structure characterized by numerous buyers and sellers, ensuring no single participant has the power to significantly influence prices.

Average Total Cost

The per unit cost of production, calculated by dividing the total cost of production by the quantity of output produced.

Normal Profit

The minimum amount of profit needed for a company to remain operational in the long term, often considered as part of fixed costs.