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JEE MAIN 2021
A
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B
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C
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D
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Solution
The correct option is A Reaction of alkene with dil. KMnO4 gives 1,2 diol ( vicinal diol).
Jones reagent, CrO3 oxidise primary alchol to carboxylic acid and secondary alcohol to ketone. 3o-alcohols do not undergo oxidation reaction easily.