[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fV8F2lM99VjGEwz4L5wPcHCnFXldvXdKXfX5YRFMc74c":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2026-01-07 19:28:27",250896496,[8,9,10,11],"Cu2+ + 2e- = Cu","Fe3+ + e- = Fe2+","2H+ + 2e- = H2","I2 + 2e- = 2I-",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},10,"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","work_48728960","笔记","当下列电极反应中有关离子浓度减少一半时,电极电势升高的是:( )",[21,32,41,50,59,68,77,86,89,98],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],250896489,[25,26,27,28],"-0.763V","-1.76V","-1.52V","-1.26V","已知jӨ(Zn2+\u002FZn) = -0.763V,[Zn(CN)4]2+的稳定常数Kθf{[Zn(CN)4]2+}= 5×1016,则jӨ{[Zn(CN)4]2+\u002FZn}值为:( )","v1",0,{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":30,"type":31},[],250896490,[36,37,38,39],"Fe2+","Fe3+","Sn2+","Sn4+","已知:φӨ(Sn4+\u002FSn2+) = 0.15V,φӨ(Fe3+\u002FFe2+) = 0.77 V,则在两电对中,最强的还原剂是( )",{"answer":42,"createTime":5,"id":43,"options":44,"question":49,"source":30,"type":31},[],250896491,[45,46,47,48],"升高","无变化","不能判断","降低","将铜丝插入CuSO4溶液,银丝插入AgNO3溶液,组成原电池.如果在AgNO3溶液中加入氨水,则电池电动势的变化是( )",{"answer":51,"createTime":5,"id":52,"options":53,"question":58,"source":30,"type":31},[],250896492,[54,55,56,57],"反应中一定有单质参加","反应中元素的化合价发生升降变化","氧化反应和还原反应一定同时存在","反应中发生电子转移","有关氧化还原反应的叙述错误的是( )",{"answer":60,"createTime":5,"id":61,"options":62,"question":67,"source":30,"type":31},[],250896493,[63,64,65,66],"2Fe3+ + 2I- = 2Fe2+ + I2","2Fe3+ + I2 = 2Fe2+ + 2I-","2Fe2+ +2I- = 2Fe3+ + I2","2Fe2+ + I2 = 2Fe3+ + 2I-","已知φӨ (Fe3+\u002F Fe2+)=0.771V,φӨ (I2\u002F I-)=0.54V,则标态下能发生的反应为:( )",{"answer":69,"createTime":5,"id":70,"options":71,"question":76,"source":30,"type":31},[],250896494,[72,73,74,75],"Fe3+,Cu","Fe3+,Sn2+","Fe3+,Br2","Fe3+,H2O2","下列各组物质在标准状态下能共存的是:( ). 已知φӨ (Fe3+\u002FFe2+)= 0.771 V,jӨ(Br2\u002FBr -) = 1.07V,jӨ(H2O \u002F H2O2) = 1.78V,φӨ(Cu2+\u002FCu) = 0.337 V,φӨ (Sn4+\u002FSn2+)= 0.15V",{"answer":78,"createTime":5,"id":79,"options":80,"question":85,"source":30,"type":31},[],250896495,[81,82,83,84],"> 0.800V, < 0.337V","0.337< φӨ < 0.800V","> 0.800 V","< 0.337 V","根据φθ(Ag+\u002FAg) = 0.800 V, φθ(Cu2+\u002FCu) = 0.337 V,标准态下能还原Ag+但不能还原Cu2+的还原剂与其对应的氧化态组成的电对的标准电极电势φӨ值应为( )",{"answer":87,"createTime":5,"id":6,"options":88,"question":19,"source":30,"type":31},[],[8,9,10,11],{"answer":90,"createTime":5,"id":91,"options":92,"question":97,"source":30,"type":31},[],250896497,[93,94,95,96],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F25ca76820d6d10e86548c23384eeee37.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F62095386851835b03917921ea52163b6.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fb75e6289b889a8273f9063c8329ed715.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F194f99c75c68311abe93abeda9a48306.png\">","下列电对中,j值不受酸度变化影响的为( )",{"answer":99,"createTime":5,"id":100,"options":101,"question":106,"source":30,"type":31},[],250896498,[102,103,104,105],"4","3","2","1","在反应 Fe + CuSO4 = FeSO4 + Cu中电子转移数目是( )"]