CH3(CH2)5CH3和CH3(CH2)6CH3和CH3(CH2)4CH3各有几种不同环境的氢

问题描述:

CH3(CH2)5CH3和CH3(CH2)6CH3和CH3(CH2)4CH3各有几种不同环境的氢
实在是不知道怎么看,

CH3(CH2)5CH3有4种
CH3(CH2)6CH3有4种
CH3(CH2)4CH3有3种