Chemistry 0620 · IGCSE · Alkanes

Alkanes — practice question

In a photochemical reaction, methane reacts in ultraviolet light to make chloromethane. Which statement about this reaction is correct?

  • AMethane is mixed with hydrogen chloride gas, and ultraviolet light prevents a combustion reaction.
  • BMethane is mixed with hydrogen chloride gas, and ultraviolet light provides the activation energy for the reaction.
  • CMethane is mixed with chlorine gas, and ultraviolet light prevents a combustion reaction.
  • DMethane is mixed with chlorine gas, and ultraviolet light provides the activation energy for the reaction.

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