1.
CH3COOH→LiAlH4X→Cu,300∘CY→Dil. NaOHZ\text{CH}_3\text{COOH} \xrightarrow{\text{LiAlH}_4} \text{X} \xrightarrow{\text{Cu}, 300^\circ\text{C}} \text{Y} \xrightarrow{\text{Dil. NaOH}} \text{Z}

In the above reaction, Z is: