Question:
Consider the following organic compounds:
\[ C_2H_5CHO, \, CH_3COOH, \, C_2H_5OH, \, CH_3COCH_3 \]
Which one of these compounds, when heated at 443 K in excess conc. \(\text{H}_2\text{SO}_4\), forms ethene as its major product? State the role of conc. \(\text{H}_2\text{SO}_4\) in the reaction. Also, write the chemical equation for the chemical reaction involved.
Consider the following organic compounds:
\[ C_2H_5CHO, \, CH_3COOH, \, C_2H_5OH, \, CH_3COCH_3 \]
Which one of these compounds, when heated at 443 K in excess conc. \(\text{H}_2\text{SO}_4\), forms ethene as its major product? State the role of conc. \(\text{H}_2\text{SO}_4\) in the reaction. Also, write the chemical equation for the chemical reaction involved.
\[ C_2H_5CHO, \, CH_3COOH, \, C_2H_5OH, \, CH_3COCH_3 \]
Which one of these compounds, when heated at 443 K in excess conc. \(\text{H}_2\text{SO}_4\), forms ethene as its major product? State the role of conc. \(\text{H}_2\text{SO}_4\) in the reaction. Also, write the chemical equation for the chemical reaction involved.
Updated On: Dec 20, 2024
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Solution and Explanation
Compound forming ethene:
Ethanol (\(C_2H_5OH\)) forms ethene when heated at 443 K in the presence of excess concentrated sulphuric acid.
Role of conc. \(H_2SO_4\):
Concentrated sulphuric acid acts as a dehydrating agent in this reaction. It removes a molecule of water from ethanol to form ethene.
Chemical equation:
\[ C_2H_5OH \xrightarrow{\text{conc. } H_2SO_4, \, 443 K} C_2H_4 + H_2O \]
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