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有一道常见化学题:诗句“春蚕到死丝方尽,蜡炬成灰泪始干”中的“泪”属于有机化合物中的__。答案是“烃”。一般的解释是:蜡烛通常是由石蜡制造的,石蜡是从石油的含蜡馏分经冷榨或溶剂脱蜡而制得的,是几种高级烷烃的混合物,主要是正二十二烷(C_(22)H_(46))和正二十八烷(C_(28)H_(58))。然而有学生提出了这样的疑问:“春蚕到死丝方尽,蜡炬成灰泪始干’出自唐代的李商隐(公元813~858)。唐代时候的蜡烛主要成分是不是石蜡呢?如果是石蜡,那么石蜡是从
There is a common chemical title: verse ”Spring silkworms to make the dead silk side, wax torch ash tears dry“ ”tears “ belongs to organic compounds __. The answer is ”hydrocarbon “. The general explanation is that the candles are usually made from paraffin, which is made by cold or solvent dewaxing of the waxy fraction of petroleum and is a mixture of several higher alkanes, predominantly n-docosane (C_ 22) H_ (46)) and n-octacosane (C_ (28) H_ (58)). However, some students raised the question: ”Spring silkworms to make the best of the dead, the torch into tears ashes" from the Tang Dynasty Li Shangyin (AD 813 ~ 858). The main ingredients of the Tang Dynasty when the candle is not it? If it is paraffin, then paraffin is from