Chemistry 9701 · AS & A Level · Equilibria

Equilibria — practice question

Tartaric acid, $\text{HOOCCH(OH)CH(OH)COOH}$, occurs in many plants. When a sample of tartaric acid is treated with an excess of $\text{LiAlH}_4$, the organic product J is formed. What changes are observed when $\text{NaOH(aq)}$ is added to separate samples of tartaric acid and J?

  • ABoth tartaric acid and J react.
  • BOnly tartaric acid reacts.
  • COnly J reacts.
  • DNeither tartaric acid nor J react.

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