A carboxylic acid obtained by the oxidation of ethyl alcohol is:

C H_{3} C O O H

(ethanoic acid)

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H C O O H

(methanoic acid)

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C H_{3} C H_{2} C O O H

(propanoic acid)

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None of the above

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Solution

The correct option is A $C H_{3} C O O H$ (ethanoic acid)
$C_{2} H_{5} O H + N a_{2} C r_{2} O_{7} [O] - \to C H_{3} C H O [O] - \to C H_{3} C O O H$

Ethyl alcohol on oxidation with sodium dichromate gives acetaldehyde which is further oxidized to ethanoic acid.

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