C-11-Q105mediumsingle_mcqCH3COOH+NaOH→?\mathrm{CH_3COOH + NaOH \to ?}CH3COOH+NaOH→?aCH3COONa+H2O\mathrm{CH_3COONa + H_2O}CH3COONa+H2ObCH3CHO+H2\mathrm{CH_3CHO + H_2}CH3CHO+H2cCH3OH+NaCl\mathrm{CH_3OH + NaCl}CH3OH+NaCldCH4+CO2\mathrm{CH_4 + CO_2}CH4+CO2