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Gaokao Chemistry Practice Question

关于反应 $\mathrm{K}_{2} \mathrm{H}_{3} \mathrm{IO}_{6}+9 \mathrm{HI}=2 \mathrm{KI}+4 \mathrm{I}_{2}+6 \mathrm{H}_{2} \mathrm{O}$, 下列说法正确的是

  1. A.$\mathrm{K}_{2} \mathrm{H}_{3} \mathrm{IO}_{6}$ 发生氧化反应
  2. B.KI 是还原产物
  3. C.生成 $12.7 \mathrm{~g} \ \mathrm{I}_{2}$ 时, 转移 $0.1 \mathrm{~mol}$ 电子
  4. D.还原剂与氧化剂的物质的量之比为 $7: 1$

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