1.
CH3COOHLiAlH4AH3O+A+CH3COOH30CB+H2O\text{CH}_3\text{COOH} \xrightarrow{\text{LiAlH}_4} \text{A} \xrightarrow{\text{H}_3\text{O}^+} \text{A}' + \text{CH}_3\text{COOH} \xrightarrow{30^\circ\text{C}} \text{B} + \text{H}_2\text{O}. In the above reactions, A and B respectively are: