The distinctive aroma of burnt sugar is partly due to the compound shown below. $\text{CH}_3-\text{C}(=\text{O})-\text{CHO}$ There are two functional groups in this compound. Which reagent reacts with both functional groups?
- Aacidified potassium dichromate(VI)
- BFehling’s solution
- Chydrogen cyanide
- Dsodium hydroxide