3CH3CH2CHO + K2Cr2O7 + 4H2SO4 = 3CH3CH2COOH + K2SO4 + Cr2(SO4)3 + 4H2O
3CH3-CH2-CHO + K2Cr2O7 + 4H2SO4 = 3CH3-CH2-COOH + K2SO4 + Cr2(SO4)3 + 4H2O
3CH3CH2CHO + K2Cr2O7 + 4H2SO4 = 3CH3CH2COOH + K2SO4 + Cr2(SO4)3 + 4H2O
3CH3-CH2-CHO + K2Cr2O7 + 4H2SO4 = 3CH3-CH2-COOH + K2SO4 + Cr2(SO4)3 + 4H2O