Question

isopropyl alcohol react with acidic sodium dichromate​

Answer 1

This reaction will give out acetone CH3C=0CH3

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Answer 2

Answer:

Isopropyl alcohol is a secondary alcohol with chemical formula as $\bold{\left(\mathrm{CH}_{3}\right)_{2-} \mathrm{CH}_{-} \mathrm{OH}}$.  

Here the OH group is bonded on a secondary carbon atom so it is a ‘secondary alcohol’.  

Acidified sodium dichromate is $\bold{\mathrm{Na}_{2} \mathrm{Cr}_{2} \mathrm{O}_{7}}$ which is a very good oxidizing agent and oxidation of secondary alcohol leads to the ‘formation of ketone’ hence isopropyl alcohol will also form ketone. Since it has 3C atoms so it will form ketone of 3C atoms that is acetone or propanone.