中学生网络课堂本课配套习题挑战模式1/5
单选题
难度系数：
1.某一反应体系中有反应物和生成物共5种物质：S、H2S、HNO3、NO和H2O。已知水是反应产物之一。若反应过程中转移了0.3 mol电子，则生成水的质量是
| A: 18g |
| B:1.8g |
| C: 36g |
| D: 3.6g |
一次做对，真牛！
+5奖励规则>
- 提示1：IDxpbWcgd2lkdGg9MjgwIGhlaWdodD0yMiBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwLzI3L0FDL3JCQUNGRk9BMElIUThJempBQUFFcDFOcmpEQTI4OC5wbmciPg==
- 提示2：IOWMluWtpuaWueeoi+W8j+WPr+efpe+8jOW9k+eUn+aIkDQgbW9sIEg8c3ViPjI8L3N1Yj5P5pe277yM6L2s56e7NiBtb2znlLXlrZDvvIzmiYDku6XlvZPovaznp7swLjMgbW9s55S15a2Q5pe277yM55Sf5oiQMC4yIG1vbCBIPHN1Yj4yPC9zdWI+T++8jOi0qOmHj+S4ujMuNiBn44CC
- 答案：RA==
6L+Q55So5b6X5aSx55S15a2Q5a6I5oGS6KeE5b6L5ZKM6KeC5a+f5rOV5Y+v6YWN5bmz5YyW5a2m5pa556iL5byP77yaPGltZyB3aWR0aD0yODAgaGVpZ2h0PTIyIHNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvMjcvQUMvckJBQ0ZGT0EwSUhROEl6akFBQUVwMU5yakRBMjg4LnBuZyI+IDxicj7ljJblrabmlrnnqIvlvI/lj6/nn6XvvIzlvZPnlJ/miJA0IG1vbCBIPHN1Yj4yPC9zdWI+T+aXtu+8jOi9rOenuzYgbW9s55S15a2Q77yM5omA5Lul5b2T6L2s56e7MC4zIG1vbOeUteWtkOaXtu+8jOeUn+aIkDAuMiBtb2wgSDxzdWI+Mjwvc3ViPk/vvIzotKjph4/kuLozLjYgZ+OAgg==
本课配套习题挑战模式2/5
单选题
难度系数：
2.
从矿物学资料查得一定条件下自然界存在如下反应：14CuSO4＋5FeS2＋12H2O===7Cu2S＋5FeSO4＋12H2SO4，下列说法中正确的是
| A: CuSO4是氧化剂，FeS2是还原剂 |
| B: 产物中的SO |
| C: Cu2S既是氧化产物又是还原产物 |
| D: 5 mol FeS2发生反应，有10 mol e转移 |
有一部分是氧化产物
一次做对，真牛！
+5奖励规则>
- 提示1：PHA+Q3XlhYPntKDnmoTku7fmgIHpmY3kvY7vvIxGZVM8c3ViPjI8L3N1Yj7kuK3nmoRT5YWD57Sg55qE5Lu35oCB5pei5pyJ5Y2H6auY5Y+I5pyJ6ZmN5L2OLjxicj48L3A+
- 提示2：PHA+Q3U8c3ViPjI8L3N1Yj5T5Lit5Lik5Liq5YWD57Sg55qE5YyW5ZCI5Lu36YO95pyJ5Y+Y5YyW77yM5L2G6YO95piv6L+Y5Y6f5Lqn54mpPGJyPjwvcD4=
- 提示3：PHA+55Sx5pa556iL5byP5Y+v55+lNSBtb2wgRmVTPHN1Yj4yPC9zdWI+5Y+R55Sf5Y+N5bqU77yM5YW25Lit5pyJMyBtb2znmoRT5YyW5ZCI5Lu35Y2H6auY77yM5pyJMjEgbW9sIGU8c3VwPjwvc3VwPui9rOenuzxicj48L3A+
- 答案：Qg==
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
本课配套习题挑战模式3/5
单选题
难度系数：
3.已知氧化还原反应：2Cu（IO3）2+24KI+12H2SO4=2CuI↓+13I2+12K2SO4+12H2O，其中1mol氧化剂在反应中得到的电子为
| A: 10 mol |
| B: 11 mol |
| C: 12 mol |
| D: 13 mol |
一次做对，真牛！
+5奖励规则>
- 提示1：IDJDde+8iElPPHN1Yj4zPC9zdWI+77yJPHN1Yj4yPC9zdWI+KzI0S0krMTJIPHN1Yj4yPC9zdWI+U088c3ViPjQ8L3N1Yj49MkN1SeKGkysxM0k8c3ViPjI8L3N1Yj4rMTJLPHN1Yj4yPC9zdWI+U088c3ViPjQ8L3N1Yj4rMTJIPHN1Yj4yPC9zdWI+Tw==
- 提示2：IEN15YWD57Sg55qE5YyW5ZCI5Lu355SxKzLku7fpmY3kvY7kuLorMeS7t++8jEnlhYPntKDnmoTljJblkIjku7fnlLErNeS7t+mZjeS9juS4ujDvvIw=
- 提示3：IOWImUN177yISU88c3ViPjM8L3N1Yj7vvIk8c3ViPjI8L3N1Yj7kuLrmsKfljJbliYLvvIzmiYDku6UxbW9s5rCn5YyW5YmC5Zyo5Y+N5bqU5Lit5b6X5Yiw55qE55S15a2Q5Li6
- 提示4：MW1vbMOX77yIMi0x77yJKzJtb2zDl++8iDUtMO+8iT0xMW1vbA==
- 答案：Qg==
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
本课配套习题挑战模式4/5
单选题
难度系数：
4.在硫酸铁电化浸出黄铜矿精矿工艺中，有一主要反应：CuFeS2＋4Fe3＋===Cu2＋＋5Fe2＋＋2S，反应结束后，经处理获得单质硫x mol。下列说法正确的是
| A: 反应中硫元素被氧化，所有铁元素均被还原 |
| B: 氧化剂是Fe3＋，氧化产物是Cu2＋ |
| C: 反应中转移电子的物质的量为x mol |
| D: 反应结束后，测得溶液中三种金属离子的总物质的量为y mol，则原Fe3＋的总物质的量为(y－x) mol |
一次做对，真牛！
+5奖励规则>
- 提示1：IDxpbWcgd2lkdGg9Mjg2IGhlaWdodD0xMDAgc3JjPSJodHRwczovL3AxLnFpbmdndW8uY29tL0cxL00wMC8yNy9BQy9yQkFDRkZPQTBXYmc3cGxoQUFBNG1xa1lleHc3NjAucG5nIj4=
- 提示2：IOeUn+aIkDxpPng8L2k+IG1vbOWNlei0qOehq+aXtui9rOenuzI8aT54PC9pPiBtb2znlLXlrZA=
- 提示3：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
- 答案：RA==
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
本课配套习题挑战模式5/5
单选题
难度系数：
5.
用高铁酸钠(Na2FeO4)对水消毒是城市饮用水处理的新技术。已知反应：Fe2O3＋3Na2O2=2Na2FeO4＋Na2O，下列说法正确的是
| A: Na2O2既是氧化剂又是还原剂 |
| B: Na2FeO4既是氧化产物又是还原产物 |
| C: 3 mol Na2O2发生反应，有12 mol电子转移 |
| D: 在Na2FeO4中Fe为＋4价，具有强氧化性，能消毒杀菌 |
一次做对，真牛！
+5奖励规则>
- 提示1：PHA+TmE8c3ViPjI8L3N1Yj5PPHN1Yj4yPC9zdWI+5Y+q5L2c5rCn5YyW5YmC77yM5rCn5YWD57Sg55Sx77yNMeS7t+mZjeS9juWIsO+8jTLku7c8YnI+PC9wPg==
- 提示2：PHA+6ZOB5YWD57Sg55SxRmU8c3ViPjI8L3N1Yj5PPHN1Yj4zPC9zdWI+5Lit55qE77yLM+S7t+WNh+mrmOWIsE5hPHN1Yj4yPC9zdWI+RmVPPHN1Yj40PC9zdWI+5Lit55qE77yLNuS7t++8jE/lhYPntKDnlLFOYTxzdWI+Mjwvc3ViPk88c3ViPjI8L3N1Yj7kuK3nmoQtMeS7t+mZjeS9juS4ui0y5Lu344CC5Zug5q2kTmE8c3ViPjI8L3N1Yj5GZU88c3ViPjQ8L3N1Yj7ml6LmmK/msKfljJbkuqfnianlj4jmmK/ov5jljp/kuqfniak8YnI+PC9wPg==
- 提示3：PHA+Q+S4rTMgbW9sIE5hPHN1Yj4yPC9zdWI+TzxzdWI+Mjwvc3ViPuWPkeeUn+WPjeW6lO+8jOaciTYgbW9s55S15a2Q6L2s56e744CCPGJyPjwvcD4=
- 答案：Qg==
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
