Question 49
Carbohydrates, Proteins and AminesWhich of the following is formed when maltose reacts with concentrated tetraoxosulphate (VI) acid?
- A.Carbon (IV) oxide
- B.Coal tar
- C.Charcoal
- D.Toxic fumes.
Show the answer and explanation
Answer: C (Charcoal)
Explanation
Concentrated sulphuric acid is a strong dehydrating agent. It removes the hydrogen and oxygen of the sugar as water, leaving black carbon (charcoal).