A : \(CH_3CH_2COOH\)
B : \(CH_3COONa\) hoặc \((CH_3COO)_2Ca\)
\(3CH_3-CH_2-CH_2-OH +2Cr_2O_7 ^{2-} + 16H^+ \to 3CH_3-CH_2-COOH + 4Cr^{3+} + 11H_2O\)
\(CH_3-CH_2-COOH + NaOH \to CH_3-CH_2-COONa + H_2O\\ 2CH_3-CH_2-COOH + Ca(OH)_2 \to (CH_3-CH_2-COO)_2Ca + 2H_2O\)