[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fqPQ4dsTlaDINn22tzUO_awk3WK5HLaFHHKQVcFyKzYc":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":10,"question":16,"related":17,"source":27,"type":34},[],"2023-05-10 13:07:15",4072939,[8,9],"对","错",{"courseId":11,"courseImg":12,"courseName":13,"workId":14,"workName":15},"1000007654","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fbb7c2b23ac1deee0e737435655127bce.jpg","无机化学(山东联盟)","2520113","第六章单元测试","高锰酸根的氧化能力在酸性介质中较强",[18,29,35,44,53,58,67,70,75,80],{"answer":19,"createTime":5,"id":20,"options":21,"question":26,"source":27,"type":28},[],4072897,[22,23,24,25],"AgNO3","NaCl","Zn","Ag","将Zn+2Ag+=Zn2++2Ag 构成原电池,欲使电动势增大,可在半电池中加入","v2",0,{"answer":30,"createTime":5,"id":31,"options":32,"question":33,"source":27,"type":34},[],4072912,[8,9],"同种金属及其盐的溶液,可以组成原电池",3,{"answer":36,"createTime":5,"id":37,"options":38,"question":43,"source":27,"type":28},[],4072916,[39,40,41,42],"1","2","5","10","电池反应2MnO4-+16H++10Cl- →2Mn2+ +5Cl2+8 H2O ,转移的电子转移数n为",{"answer":45,"createTime":5,"id":46,"options":47,"question":52,"source":27,"type":28},[],4072917,[48,49,50,51],"增大pH","降低pH","增大Mn2+浓度","减小MnO4-浓度","其他条件不变时,能使电对MnO4-\u002FMn2+ 的电极电势增大的方法是",{"answer":54,"createTime":5,"id":55,"options":56,"question":57,"source":27,"type":34},[],4072935,[8,9],"CH4中C与4个H形成四个共价键,因此C的氧化数是4",{"answer":59,"createTime":5,"id":60,"options":61,"question":66,"source":27,"type":28},[],4072936,[62,63,64,65],"1 mol·L-1","0.1 mol·L-1","0.01 mol·L-1","10 mol·L-1","已知氢电极Pt∣H+(c)∣H2(100kPa)的电极电势为-0.0592V,则c(H+)应为",{"answer":68,"createTime":5,"id":6,"options":69,"question":16,"source":27,"type":34},[],[8,9],{"answer":71,"createTime":5,"id":72,"options":73,"question":74,"source":27,"type":34},[],4072941,[8,9],"组成原电池的两个电对的标准电极电势相等时,电池反应处于平衡状态",{"answer":76,"createTime":5,"id":77,"options":78,"question":79,"source":27,"type":34},[],4073031,[8,9],"Cu2+可以氧化单质铁,Fe3+可以氧化单质铜",{"answer":81,"createTime":5,"id":82,"options":83,"question":88,"source":27,"type":28},[],4073094,[84,85,86,87],"2.36V","0.04V","0.84V","1.56V","已知(Zn2+\u002FZn) 标准电势为-0.7618V, (Ag+\u002FAg)标准电势为0.7996V,将这两电对组成原电池,则电池的标准电动势为"]