本课配套习题挑战模式1/5
如Fe、Zn与同浓度的稀硫酸反应时,Zn放出大量气泡,Fe缓慢放出气泡,故还原性为
A: Zn>Fe |
B: Zn<Fe |
C: Zn=Fe |
D: 无法判断 |
- 提示1:PHA+5LiO5ZCM5LiA54mp6LSo5Y+N5bqU77yM5LiA6Iis6LaK5piT6L+b6KGM77yM5YiZ6L+Y5Y6f5oCn5bCxPHU+6LaK5by6PC91PuOAgjxicj48L3A+
- 提示2:PHA+Wm7mr5TovoPmtLvms7w8YnI+PC9wPg==
- 提示3:PHA+RmXmr5RabuS4jea0u+azvDxicj48L3A+
- 答案:QQ==
PHA+5LiO5ZCM5LiA54mp6LSo5Y+N5bqU77yM5LiA6Iis6LaK5piT6L+b6KGM77yM5YiZ6L+Y5Y6f5oCn5bCxPHU+6LaK5by6PC91PuOAgjwvcD4=
本课配套习题挑战模式2/5
A: Cu>Zn |
B: Zn>Cu |
C: Zn=Cu |
D: 无法判断 |
- 提示1:IOS4jeWQjOi/mOWOn+WJguS9nOeUqOS6juWQjOS4gOenjeawp+WMluWJgu+8jOi/mOWOn+S6p+eJqeS7t+aAgeS9jueahOi/mOWOn+aAp+W8ug==
- 提示2:IFpu5q+UQ3XmtLvms7w=
- 答案:Qg==
5LiN5ZCM6L+Y5Y6f5YmC5L2c55So5LqO5ZCM5LiA56eN5rCn5YyW5YmC77yM6L+Y5Y6f5Lqn54mp5Lu35oCB5L2O55qE6L+Y5Y6f5oCn5by6
本课配套习题挑战模式3/5
A: F2>Cl2>Br2>I2 |
B: I2>Br2>Cl2>F2 |
C: Cl2>F2>I2>Br2 |
D: Br2>F2>I2>Cl2 |
- 提示1:IOS4juWQjOS4gOeJqei0qOWPjeW6lO+8jOS4gOiIrOi2iuaYk+i/m+ihjO+8jOWImeWFtuawp+WMluaAp+WwsTx1Pui2iuW8ujwvdT7jgII=
- 答案:QQ==
5LiO5ZCM5LiA54mp6LSo5Y+N5bqU77yM5LiA6Iis6LaK5piT6L+b6KGM77yM5YiZ5YW25rCn5YyW5oCn5bCxPHU+6LaK5by6PC91PuOAgg==
本课配套习题挑战模式4/5
由反应和反应可知氧化性强弱顺序为
A: HCl>Cl2 |
B: Cl2>HCl |
C: HCl=Cl2 |
D: 无法判断 |
- 提示1:PHA+Q2w8c3ViPjI8L3N1Yj7lj6/lsIbpk4HmsKfljJbkuLorM+S7t++8jDwvcD4=
- 提示2:PHA+6ICMSENs5Y+q6IO95bCGRmXmsKfljJbkuLorMuS7t++8jDwvcD4=
- 提示3:PHA+5pWF5rCn5YyW6IO95Yqb5Li6Q2w8c3ViPjI8L3N1Yj7vvJ5IQ2w8L3A+
- 答案:Qg==
PHA+Q2w8c3ViPjI8L3N1Yj7lj6/lsIbpk4HmsKfljJbkuLorM+S7t++8jOiAjEhDbOWPquiDveWwhkZl5rCn5YyW5Li6KzLku7fvvIzmlYXmsKfljJbog73lipvkuLpDbDxzdWI+Mjwvc3ViPu+8nkhDbDwvcD4=
本课配套习题挑战模式5/5
如:HCl+H2SO4(浓)→不反应,HBr+H2SO4(浓)→Br2+SO2↑+H2O,
HI+H2SO4(浓)→I2+H2S↑+H2O, 则HI、HBr、HCl还原性的大小为
A: HCl>HBr>HI |
B: HBr>H I>HCl |
C: HI>HBr>HCl |
D: HBr>HCl>HI |
- 提示1:PHA+5LuO5Y+N5bqU5byP6IO95aSf55yL5Ye677yMSENs5LiN6IO96L+Y5Y6f5rWTSDxzdWI+Mjwvc3ViPlNPPHN1Yj40PC9zdWI+77yMSEJy6IO95oqK5rWTSDxzdWI+Mjwvc3ViPlNPPHN1Yj40PC9zdWI+5LitKzbku7fnmoTnoavov5jljp/miJArNOS7t++8jDwvcD4=
- 提示2:PHA+SEnljbTog73miormtZNIPHN1Yj4yPC9zdWI+U088c3ViPjQ8L3N1Yj7kuK0rNuS7t+eahOehq+i/mOWOn+aIkC0y5Lu377yMPC9wPg==
- 提示3:PHA+6K+05piO6L+Y5Y6f5oCn77yaSEnvvJ5IQnLvvJ5IQ2w8L3A+
- 答案:Qw==
PHA+5LuO5Y+N5bqU5byP6IO95aSf55yL5Ye677yMSENs5LiN6IO96L+Y5Y6f5rWTSDxzdWI+Mjwvc3ViPlNPPHN1Yj40PC9zdWI+77yMSEJy6IO95oqK5rWTSDxzdWI+Mjwvc3ViPlNPPHN1Yj40PC9zdWI+5LitKzbku7fnmoTnoavov5jljp/miJArNOS7t++8jEhJ5Y206IO95oqK5rWTSDxzdWI+Mjwvc3ViPlNPPHN1Yj40PC9zdWI+5LitKzbku7fnmoTnoavov5jljp/miJAtMuS7t++8jOivtOaYjui/mOWOn+aAp++8mkhJ77yeSEJy77yeSENsPGJyPjwvcD4=