Ch3 ch2cl получить ch2 ch2. Ch4 ch3cl ch2cl2. ch3-ch(ch3)-ch(ch3)-ch3 + cl2. ch3cl+cl2 = ch2cl2+hcl. ch3-ch2-cl+cl2.

Ch3 ch2cl получить ch2 ch2. Ch4 ch3cl ch2cl2. ch3-ch(ch3)-ch(ch3)-ch3 + cl2. ch3cl+cl2 = ch2cl2+hcl. ch3-ch2-cl+cl2.
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