convert pentan-1-ol to pentanal
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(a) Aldehydes can be prepared by the oxidation of alcohols.
When 1-pentanol is oxidized in the presence of an oxidizing agent, such as the potassium dichromate in dilute sulphuric acid, it gives 1-pentanal
When 1-pentanol is oxidized in the presence of an oxidizing agent, such as the potassium dichromate in dilute sulphuric acid, it gives 1-pentanal
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PENTANOL CAN BE CONVERTED TO PENTANAL BY USING PYRIDINIUM CHLOROCHROMATE.
Explanation:
- The oxidation of alcohols can give aldehydes, ketones, and carboxylic acid depending upon the oxidizing agent.
- Strong oxidizing agents directly oxidize primary alcohols to carboxylic acid, whereas it oxidizes secondary alcohols to ketones, but tertiary alcohols cannot be oxidized to neither ketone nor carboxylic acid as no α-H is present..
- To oxidize primary alcohol to carboxylic acid PCC can be used, PCC is a mild oxidizing agent.
- Strong oxidizing agents like potassium dichromate cannot be used.
- Therefore, to convert pentan-1-ol to pentanal PYRIDINIUM CHLOROCHROMATE (PCC) is used.
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