Ответы на вопрос:
Должно быть так: 1) ch3cho+h2--> ch3ch2oh 2) ch3ch2oh+hcl--> ch3ch2cl+h2o 3) 2ch3ch2cl+> ch3ch2ch2ch3 4) ch3ch2ch2ch3+cl2--> ch3ch2ch2ch2cl + hcl 5) ch3ch2ch2ch2cl+h2o--> ch3ch2ch2ch2oh+hcl 6) ch3ch2ch2ch2oh--[o]--> ch3ch2ch2cooh 7) ch3ch2ch2cooh+> hcl + ch3ch2ch(cl)cooh 8) сh3ch2ch(cl)cooh+> nh4cl + ch3ch2ch(nh2)cooh
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