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What is the effect of sunlight on unsaturated hydrocarbons in the formation of photochemical smog?

Options

  1. ASunlight reduces their concentration.
  2. BSunlight has no effect on them.
  3. CSunlight breaks them down, contributing to smog formation.
  4. DSunlight converts them into oxygen.

Correct answer

C. Sunlight breaks them down, contributing to smog formation.

Step-by-step solution

Sunlight breaks down unsaturated hydrocarbons, contributing to the formation of photochemical smog.

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