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PIMSO 2025 - Science - Senior Secondary - National Round Question 10

PIMSO Science · PIMSO 2025 - Science - Senior Secondary - National Round

Question 10

Fatty acids are carboxylic acids with long hydrocarbon chains attached to a carboxylate group. How does a saturated fatty acid differ from an unsaturated fatty acid?
  1. The hydrocarbon chain in an unsaturated fatty acid contains one or more multiple bonds.
  2. The hydrocarbon chain in a saturated fatty acid contains one or more multiple bonds.
  3. The hydrocarbon chain in an unsaturated fatty acid contains no more than one multiple bonds.
  4. The hydrocarbon chain in an unsaturated fatty acid contains no double or triple bond.