Chemistry 9701 · AS & A Level · Electrochemistry

Electrochemistry — practice question

Retinol is a constituent of Vitamin A. When the conditions are suitable, acidified $\text{KMnO}_4\text{(aq)}$ may be used to cleave $\text{C=C}$ bonds. Once these bonds have been cleaved, the fragments may undergo further oxidation. In what conditions is acidified $\text{KMnO}_4\text{(aq)}$ used, and what are the final oxidation products made up of?

  • Acold, dilute; aldehydes and carboxylic acids
  • Bcold, dilute; ketones and carboxylic acids
  • Chot, concentrated; aldehydes and carboxylic acids
  • Dhot, concentrated; ketones and carboxylic acids

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