A mixture of H₂(g) and O₂(g) at room temperature will not react together to form any product. But at 700°C these gases react instantly to form product why?

University of Ilorin CHM101 2015 past question

  1. at 700°C the gaseous molecules are highly energetic
  2. at 700°C the intramolecular forces are overcome
  3. at 700°C the molecular collisions overcome the activation energy
  4. none of the above

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