C2H5OH == C2H4 + Н2О (t°, H2SO4) 1 - Б
C2H5Cl + NaOH == C2H5OH + NaCl 2 - В
2C2H5OH + 2Na == 2C2H5ONa + H2↑ 3 - А
C2H4 + H2O == C2H5OH (t°, H3PO4) 4 - Г
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C2H5OH == C2H4 + Н2О (t°, H2SO4) 1 - Б
C2H5Cl + NaOH == C2H5OH + NaCl 2 - В
2C2H5OH + 2Na == 2C2H5ONa + H2↑ 3 - А
C2H4 + H2O == C2H5OH (t°, H3PO4) 4 - Г