Chemistry · May / June 2025 · Paper 12 · Question 33
5070Alkanes
Alkanes undergo a substitution reaction with chlorine. Which row shows two correct statements about the reaction between alkanes and chlorine?
- Astatement 1: a carbon atom is replaced by a chlorine atom; statement 2: the reaction requires thermal energy
- Bstatement 1: a hydrogen atom is replaced by a chlorine atom; statement 2: the reaction requires thermal energy
- Cstatement 1: a carbon atom is replaced by a chlorine atom; statement 2: the reaction requires ultraviolet light
- Dstatement 1: a hydrogen atom is replaced by a chlorine atom; statement 2: the reaction requires ultraviolet light
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Correct answer: D. statement 1: a hydrogen atom is replaced by a chlorine atom; statement 2: the reaction requires ultraviolet light
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