[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fewx11uBzW917zETuElu6FwoL7eOMBvFqzSmzh2-PBpo":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":16,"related":17,"source":27,"type":28},[],"2026-05-24 21:05:06",1118932320,[8,9,10,11],"氧化剂是失去电子的物质,被氧化","还原剂是得到电子的物质,被还原","氧化剂是得到电子的物质,被还原","还原剂是既得到又失去电子的物质,不发生净电子转移",{"courseId":13,"workId":14,"workName":15},"1000162107","66986660","第三章单元测试","关于氧化还原反应中电子转移的描述,下列哪项是正确的",[18,29,40,50,60,63,72,80,89,98],{"answer":19,"createTime":5,"id":20,"options":21,"question":26,"source":27,"type":28},[],1118932314,[22,23,24,25],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Faeff645ed7e60ed366066f8db05517d6.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F58c4805192cfb7f53c432f5ea90fccb6.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F9c3899baf1de579394c3475396952e04.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F06c022575cfaa44c043d56806be5fbd4.png\">","在温度为\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F71f0cefae4f9ee8969dad112b20aa8ee.png\">时,若某原电池的标准电动势为\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fcfa9b6cde6c6858e8a296c58c14f4b81.png\">,反应商\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F4d0b298653834be0ba213e37110f6bb5.png\">,转移电子数\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F17a0157e1e58ebe276647148d2860a13.png\">.根据能斯特方程,该电池的实际电动势\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fd0520adc961a69a9307b2cb58356546c.png\">为多少","v2",0,{"answer":30,"createTime":5,"id":31,"options":32,"question":38,"source":27,"type":39},[],1118932317,[33,34,35,36,37],"沉淀溶解平衡中,沉淀生成和溶解的速率始终相等","沉淀溶解平衡时,溶液中离子的浓度不再变化","沉淀溶解平衡是一个静态过程,不存在动态变化","溶度积常数 \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F6ed588df5b1110bed12f97c8abe00bbb.png\"> 仅与温度有关,不受离子浓度影响","沉淀溶解平衡可以通过改变温度或离子浓度来移动","关于沉淀溶解平衡的动态特性,以下哪些描述是正确的",1,{"answer":41,"createTime":5,"id":42,"options":43,"question":49,"source":27,"type":39},[],1118932318,[44,45,46,47,48],"氧化还原反应的本质是电子的转移","氧化和还原过程是同时发生的","氧化数是通过假设电子转移来计算的","金属生锈是一个典型的氧化过程","在水中,氢的氧化数为+1,氧的氧化数为-2","关于氧化还原反应的下列描述中,哪些是正确的",{"answer":51,"createTime":5,"id":52,"options":53,"question":59,"source":27,"type":39},[],1118932319,[54,55,56,57,58],"氧化还原反应本质上是电子的转移过程","在反应中,氧化剂得到电子并自身被还原","还原剂在反应中会失去电子并自身被氧化","氧化数的变化可以用来判断是否为氧化还原反应","在某些反应中,氧化剂和还原剂可以是同一种物质","关于氧化还原反应,下列哪些描述是正确的",{"answer":61,"createTime":5,"id":6,"options":62,"question":16,"source":27,"type":28},[],[8,9,10,11],{"answer":64,"createTime":5,"id":65,"options":66,"question":71,"source":27,"type":28},[],1118932321,[67,68,69,70],"氧化还原反应中电子的转移方向总是从还原剂到氧化剂","氧化数增加的过程称为还原,氧化数减少的过程称为氧化","在反应 \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F47cfac6ea7f8976724ea6e84a5f86cb5.png\"> 中,铁的氧化数从 +3 变为 0,因此铁被氧化","在离子化合物 \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F583f3bb00212937075087452904475bb.png\"> 中,钠的氧化数为 +1,氯的氧化数为 -1","下列关于氧化还原反应的叙述中,哪一项是正确的",{"answer":73,"createTime":5,"id":74,"options":75,"question":78,"source":27,"type":79},[],1118932322,[76,77],"对","错","在氧化还原反应中,电子的转移是同时发生在氧化和还原过程中的",3,{"answer":81,"createTime":5,"id":82,"options":83,"question":88,"source":27,"type":28},[],1118932323,[84,85,86,87],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F318d3f1a6987c417a95f1b997fb42c2e.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fdd1ac2121453a685aece12a2ddab1f06.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F555eca9acbfe98aed0cb914b972adcdd.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F2afb62f47016770583d6aecb60acf97d.png\">","根据阿伦尼乌斯酸碱理论,下列哪种物质属于碱",{"answer":90,"createTime":5,"id":91,"options":92,"question":97,"source":27,"type":28},[],1118932324,[93,94,95,96],"加入少量\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F3cfd05275deb2b6f7aa7ab3f87ec9196.png\">","加入少量\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F3295f4347671ec6cbba97ae9c329da26.png\">","加入大量\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F5f1f0cf8751a0c973d5f1ca68b5c7d92.png\">","稀释10倍","下列哪种情况下,醋酸-醋酸钠缓冲溶液的pH值会显著变化",{"answer":99,"createTime":5,"id":100,"options":101,"question":102,"source":27,"type":79},[],1118932327,[76,77],"根据路易斯酸碱理论,\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F5654bd6898b78272e17d4b83485b440c.png\">能接受电子对,因此它是一种酸;而\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F4c7132d4fda0519e8174949225c60f2f.png\">能给出电子对,因此它是一种碱.它们之间的反应可以表示为\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fedbc7b65b39458ec03c61a4eec3ed575.png\">"]