[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fQFnnZNOw029hEVj_PYahEDpVLWchiHQvGUROE4yr49k":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":8,"question":15,"related":16,"source":26,"type":59},[],"2026-01-09 10:38:17",307699947,[],{"count":9,"courseId":10,"courseImg":11,"courseName":12,"workId":13,"workName":14},10,"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","work_48372938","半身裙款式图绘制","随着溶液pH值的增加,下列电对MnO4−\u002F Mn2+,MnO4−\u002F MnO42−,Mn(OH)2\u002FMn的φ值将分别 , , .(减小,不变,增大)",[17,28,38,47,56,60,65,73,78,83],{"answer":18,"createTime":5,"id":19,"options":20,"question":25,"source":26,"type":27},[],307699943,[21,22,23,24],"降低Zn2+浓度","增大Zn2+浓度","增大Cu2+浓度","减小Cu2+浓度","对于电池反应Cu2++Zn=Zn2++Cu,欲使其电动势增大,应可采取的措施有","v1",1,{"answer":29,"createTime":5,"id":30,"options":31,"question":36,"source":26,"type":37},[],307699944,[32,33,34,35],"0.534 V","0.650 V","0.593 V","0.471 V","电对I2 \u002F I-的jθ值为0.534 v,298K时,当[I-]=0.1 mol·L-1时的j值为( )",0,{"answer":39,"createTime":5,"id":40,"options":41,"question":46,"source":26,"type":37},[],307699945,[42,43,44,45],"Br2的浓度增大,φ增大","Br-的浓度增大,φ减小","H+浓度增大,φ减小","温度升高对φ 无影响","用 Nernst 方程式计算 Br2\u002FBr- 电对的电极电势,下列叙述中正确的是",{"answer":48,"createTime":5,"id":49,"options":50,"question":55,"source":26,"type":37},[],307699946,[51,52,53,54],"(-)Zn|Zn2+(c1)||Sn4+(c2),Sn2+(c3)|Pt(+)","(-)Zn|Zn2+( c1)|| Sn4+( c2)|Sn2+( c3)|Pt(+)","(-)Pt|Sn2+( c1)|Sn4+( c2)||Zn2+( c3)|Zn(+)","(-)Pt|Sn2+( c1),Sn4+( c2)||Zn2+( c3)|Zn(+)","已知:jθ(Zn2+\u002FZn) = - 0.7626V,jθ(Sn4+\u002FSn2+) = 0.151V,根据反应Sn4++Zn= Sn2++Zn2+装配成原电池,其电池符号为",{"answer":57,"createTime":5,"id":6,"options":58,"question":15,"source":26,"type":59},[],[],2,{"answer":61,"createTime":5,"id":62,"options":63,"question":64,"source":26,"type":59},[],307699948,[],"现有原电池A:(-)Zn|Zn 2+(1mol\u002FL)||Ag+(0.1mol\u002FL)|Ag(+)和原电池B:(-)Zn|Zn 2+ (0.1mol\u002FL)|| Ag+(0.1mol\u002FL)|Ag(+)中,电动势E较小的是",{"answer":66,"createTime":5,"id":67,"options":68,"question":71,"source":26,"type":72},[],307699949,[69,70],"正确","错误","原电池正极发生氧化反应,负极发生还原反应",3,{"answer":74,"createTime":5,"id":75,"options":76,"question":77,"source":26,"type":72},[],307699950,[69,70],"降低电对中的还原型物质的浓度,其电极电势值将减小",{"answer":79,"createTime":5,"id":80,"options":81,"question":82,"source":26,"type":72},[],307699951,[69,70],"电对的电极电势φ值一定随溶液pH值的改变而改变",{"answer":84,"createTime":5,"id":85,"options":86,"question":87,"source":26,"type":72},[],307699952,[69,70],"对电极反应Cu\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fc2e50fd33913096f11e459255bdc8c65.png\">+2e=Cu和Fe\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F7267a9c79014476bf79792abc6b7dfcd.png\">+e=Fe\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fc2e50fd33913096f11e459255bdc8c65.png\">,电极反应中有关离子浓度都减小一半时,φ(Cu2+\u002FCu)和φ(Fe3+\u002F Fe2+)的值都不变"]