Question

During the lab, you measured the pH of mixtures containing strong acid and strong base. Write net Brønsted equations that show the acid-base reactions of common household items. For polyprotic species (such as vitamin C, lemon juice, and washing soda), please show only one proton transfer. Remember that spectator ions are not included. (Use the lowest possible coefficients. Omit states-of-matter in your answer.)

(a) bleach and vinegar (sodium hypochlorite and HC2H3O2)

Answer 1

Answer:

ClO⁻ + HC₂H₃O₂ ⇄ HClO + C₂H₃O₂⁻

Explanation:

Sodium hypochlorite is a strong electrolyte that ionizes in sodium cation and hypochlorite anion.

NaClO(aq) ⇒ Na⁺(aq) + ClO⁻(aq)

ClO⁻ is a base that reacts with acetic acid (HC₂H₃O₂) from vinegar (neutralization reaction).

ClO⁻ + HC₂H₃O₂ ⇄ HClO + C₂H₃O₂⁻

Answer 2

The  Bronsted - Lowry acid is vinegar and the Bronsted - Lowry base is hypochlorite.

According to the Bronsted - Lowry definition of acids; an acids donates a proton in solution while a base accepts a proton in solution. In the reaction between sodium hypochlorite and vinegar, the base is the hypochlorite ion from sodium hypochlorite and the acid is vinegar.

The equation of the reaction is shown as follows;

$ClO^- + HC2H3O2 -------> HOCl + C2H3O2^-$. The spectator ion in this case is sodium ion and it is not included in this equation.

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