Which of the following gas-phase reactions is a possible chain-terminating step in the light-initiated chlorination of methane? A)Cl-Cl $\to$ 2Cl· B)Cl· + CH₄ $\to$ CH₃· + H-Cl C)CH₃· + CH₃· $\to$ CH₃-CH₃ D)CH₃· + Cl-Cl $\to$ CH₃Cl + Cl· E)More than one of these choices.

Question

Quizplus · Accepted Answer

In a chain-terminating step, two radicals combine to form a stable molecule, stopping the chain reaction. In option C, two CH₃· radicals combine to form ethane (CH₃-CH₃), which is a stable molecule, thus terminating the chain reaction.

Which of the Following Gas-Phase Reactions Is a Possible Chain-Terminating →\to→

Which of the Following Gas-Phase Reactions Is a Possible Chain-Terminating $\to$