When sulfuryl chloride is used to chlorinate an alkane, organic peroxide,ROOR is used as an initiator. SO2 is also a product. Write a mechanism for the chlorination.

• 答:使用硫酰氯化物作为烷烃的氯化剂；过氧化物ROOR被用作引发剂；SO2是一种产物写出氯化作用的机理.