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Gaokao Chemistry Practice Question

以 $\mathrm{KOH}$ 溶液为离子导体, 分别组成 $\mathrm{CH}_{3} \mathrm{OH}-\mathrm{O}_{2} $、$ \mathrm{~N}_{2} \mathrm{H}_{4}-\mathrm{O}_{2} $、$\left(\mathrm{CH}_{3}\right)_{2} \mathrm{NNH}_{2}-\mathrm{O}_{2}$ 清洁燃 料电池, 下列说法正确的是

  1. A.放电过程中, $\mathrm{K}^{+}$均向负极移动
  2. B.放电过程中, $\mathrm{KOH}$ 物质的量均减小
  3. C.消耗等质量燃料, $\left(\mathrm{CH}_{3}\right)_{2} \mathrm{NNH}_{2}-\mathrm{O}_{2}$ 燃料电池的理论放电量最大
  4. D.消耗 $1 \mathrm{molO}_{2}$ 时, 理论上 $\mathrm{N}_{2} \mathrm{H}_{4}-\mathrm{O}_{2}$ 燃料电池气体产物的体积在标准状况下为 $11.2 \mathrm{~L}$

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