Propan-1-ol may be treated with acidified potassium dichromate(VI) to produce propanoic acid in reaction 1, or propanal in reaction 2. How can the reaction be done so that reaction 2 takes place instead of reaction 1?
- AAn excess of acidified potassium dichromate(VI) is used.
- BAn excess of concentrated sulfuric acid is added.
- CThe reaction mixture is distilled immediately after mixing.
- DThe reaction mixture is heated under reflux.