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> H2S > NaI |
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> H2S > NaI |