Chemistrymedium · Past Paper
In the reaction $3MnO_2 + 4Al \rightarrow 3Mn + 2Al_2O_3$, which substance is being reduced?
AAl
BMnO2
CMn
DAl2O3
✓ Correct Answer: B — MnO2
MnO2 loses oxygen to become Mn, which is a reduction process.
Share this question
More from Chemistry
- Identify the type of reaction: AgNO3(aq) + NaCl(aq) -> AgCl(s) + NaNO3(aq).
- Which of the following atoms has the highest first ionization potential?
- What happens to the pH when an acidic solution is diluted with water?
- Which element has the highest thermal conductivity?
- In the Kolbe's electrolysis of sodium acetate, which gas is evolved at the anode?