根据反应:2H2S+O2==2S↓+2H2O, 4NaI+O2+2H2SO4==2I2+2Na2SO4+2H2O,
Na2S+I2==2NaI+S↓ 判断下列物质的氧化性强弱,正确的是
A.O2>I2>S | B.H2S>NaI>H2O |
C.S>I2>O2 | D.H2O>NaI>H2S |
根据反应:2H2S+O2==2S↓+2H2O, 4NaI+O2+2H2SO4==2I2+2Na2SO4+2H2O,
Na2S+I2==2NaI+S↓ 判断下列物质的氧化性强弱,正确的是
A.O2>I2>S | B.H2S>NaI>H2O |
C.S>I2>O2 | D.H2O>NaI>H2S |
试题篮
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