%%

Gaokao Chemistry Practice Question

关于反应 $2\mathrm{NH}_2\mathrm{OH} + 4\mathrm{Fe}^{3+} = \mathrm{N}_2\mathrm{O} \uparrow + 4\mathrm{Fe}^{2+} + 4\mathrm{H}^+ + \mathrm{H}_2\mathrm{O}$，下列说法正确的是

  1. A.生成 $1 \mathrm{mol} \ \mathrm{N}_2\mathrm{O}$，转移 $4 \mathrm{mol}$ 电子
  2. B.$\mathrm{NH}_2\mathrm{OH}$ 是还原产物
  3. C.$\mathrm{NH}_2\mathrm{OH}$ 既是氧化剂又是还原剂
  4. D.若设计成原电池，$\mathrm{Fe}^{2+}$ 为负极产物

Want to know if you got it right?

Answer this and thousands more real Gaokao previous-year questions free, get graded instantly, and climb the global ranked leaderboard.

Practice Gaokao free →

More Gaokao Chemistry questions