b) \(C_2H_4+H_2O\underrightarrow{H^+,t^o}C_2H_5OH\)
\(C_2H_5OH+O_2\underrightarrow{men.giấm}CH_3COOH+H_2O\)
\(CH_3COOH+NaOH\rightarrow CH_3COONa+H_2O\)
Đúng 4
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\(\left(1\right)C_2H_4+H_2O\overset{axit}{--->}C_2H_5OH\)
\(\left(2\right)C_2H_5OH+O_2\overset{men.dấm}{--->}CH_3COOH+H_2O\)
\(\left(3\right)2CH_3COOH+2Na--->2CH_3COONa+H_2\)
Đúng 3
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