Isopropyl alcohol and n-propyl alcohol can be chemically distinguished by oxidation with potassium dichromate.n-propyl alcohol on oxidation with potassium dichromate gives an aldehyde. Isopropyl alcohol on oxidation with potassium dichromate gives a ketone. During oxidation of potassium dichromate, solution of potassium dichromate turns bluegreen in the reactions. For isopropyl alcohol this colour change is fast and for n-propyl alcohol the colour change is slow. 
Isopropyl alcohol and n-propyl alcohol are examples of position isomers.In isopropyl alcohol, the hydroxyl group is present in the second carbon atom whereas in n-propyl alcohol the hydroxyl group is present in the first carbon atom.
n-Propyl alcohol and isopropyl alcohol can be chemically distinguished by which reagent?
NEET UG 2002 — Chemistry Organic Chemistry
2002mcqeasy
n-Propyl alcohol and isopropyl alcohol can be chemically distinguished by which reagent?
Official previous-year question
Held on 30 Apr 2002 · Verified 9 Jul 2026.
Options
- A
PCl5
- B
Reduction
- C
Oxidation with potassium dichromate
- D
Ozonolysis
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