Question
How will you convert:
Ethanoic acid into propanoic acid.
Ethanoic acid into propanoic acid.
✓
Answer
Conversion of Ethanoic acid into Propanoic acid.
$\text{CH}_3\text{COOH}\xrightarrow[\text{Reduction}]{\text{LiAlH}_4}\text{CH}_3\text{CH}_2\text{OH}\xrightarrow[]{\text{PI}_3}\\\text{Ethanoic} \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \text{Ethyl} \ \ \ \ \ \ \ \ \ \ \\ \ \text{acid} \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \text{alcohol}\\\text{CH}_3\text{CH}_2\text{I}\xrightarrow[]{\text{KCN}}\text{CH}_3\text{CH}_2\text{CN}\xrightarrow[]{2\text{H}_2\text{O}/\text{H}^+}\\\text{Ethyl Iodide} \ \ \ \ \ \ \ \ \ \text{Ethyl cynide}\\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \text{CH}_3\text{CH}_2\text{COOH}\\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \text{Propinic acid}$
$\text{CH}_3\text{COOH}\xrightarrow[\text{Reduction}]{\text{LiAlH}_4}\text{CH}_3\text{CH}_2\text{OH}\xrightarrow[]{\text{PI}_3}\\\text{Ethanoic} \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \text{Ethyl} \ \ \ \ \ \ \ \ \ \ \\ \ \text{acid} \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \text{alcohol}\\\text{CH}_3\text{CH}_2\text{I}\xrightarrow[]{\text{KCN}}\text{CH}_3\text{CH}_2\text{CN}\xrightarrow[]{2\text{H}_2\text{O}/\text{H}^+}\\\text{Ethyl Iodide} \ \ \ \ \ \ \ \ \ \text{Ethyl cynide}\\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \text{CH}_3\text{CH}_2\text{COOH}\\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \text{Propinic acid}$
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