Which of the following alcohols can be oxidised by $K_{2} C r O_{4}$ ?

Ethanol

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Tert butyl alcohol

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Isopropyl alcohol

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Allyl alcohol

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Solution

The correct options are
A Ethanol
C Isopropyl alcohol
D Allyl alcohol
Tert butyl alcohol does not contain alpha hydrogen atom. Its oxidation requires drastic conditions. Other alcohols (ethyl alcohol, isopropyl alcohol and allyl alcohol) contain alpha hydrogen atom. They can be easily oxidized by potassium dichromate.
Options A,C and D are correct.

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