[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fYgHLPnRKgdW0dZ9GhB61HmGmHtVd-rpC45tSwDQh_eA":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":31,"type":32},[],"2025-07-05 16:16:29",211658022,[8,9,10,11],"K 2Cr 2O 7","PbO 2","O 2","FeCl 3",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},25,"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","work_41857029","6.1 电化学作业1","下列都是常见的氧化剂,其中氧化能力与溶液pH 值的大小无关的是:( )",[21,33,42,51,54,63,72,81,90,99],{"answer":22,"createTime":23,"id":24,"options":25,"question":30,"source":31,"type":32},[],"2025-07-05 16:16:28",211658019,[26,27,28,29],"盐桥中的电解质可保持两个半电池中的电荷平衡","盐桥用于维持氧化还原反应的进行","盐桥中的电解质不能参与电池反应","电子通过盐桥流动","关于Cu-Zn原电池的下列叙述中,错误的是 ( )","v1",0,{"answer":34,"createTime":23,"id":35,"options":36,"question":41,"source":31,"type":32},[],211658020,[37,38,39,40],"H2 + Cl2 → 2HCl (aq)","Ce4+ + Fe2+ → Ce3+ + Fe3+","Ag+ + Cl- → AgCl (s)","2Hg2+ + Sn2+ + 2Cl- → Hg2Cl2(s) + Sn4+","下列哪一反应设计出来的电池不需要用到惰性电极? ( )",{"answer":43,"createTime":5,"id":44,"options":45,"question":50,"source":31,"type":32},[],211658021,[46,47,48,49],"从理论上讲,凡是氧化还原反应都有可能组成原电池","只要原电池的两极的电极电势不相等,就能产生电动势","电对相同的两个半电池,不能发生氧化还原反应,也不能组成原电池","在一个原电池中,总是电极电势高的电对作正极,电极电势低的作负极","下列有关氧化还原反应和原电池的叙述中,错误的是 ( )",{"answer":52,"createTime":5,"id":6,"options":53,"question":19,"source":31,"type":32},[],[8,9,10,11],{"answer":55,"createTime":5,"id":56,"options":57,"question":62,"source":31,"type":32},[],211658023,[58,59,60,61],"Ag+\u002FAg","AgCl\u002FAg","AgBr\u002FAg","AgI\u002FAg","下列电对中,jӨ 值最小的是:( )",{"answer":64,"createTime":5,"id":65,"options":66,"question":71,"source":31,"type":32},[],211658024,[67,68,69,70],"(-) Ag | AgNO3 (aq)|| Zn (NO3 )2 (aq) | Zn (+)","(-) Zn | Zn (NO3 )2 (aq)|| AgNO3 (aq) | Ag (+)","(-) Ag,AgNO3 (aq) || Zn (NO3 )2 (aq) | Zn (+)","(-) Ag | AgNO3 (aq)|Zn (NO3 )2 (aq) | Zn (+)","将银和硝酸银溶液组成的半电池与锌和硝酸锌溶液组成的半电池通过盐桥构成原电池,该电池符号是",{"answer":73,"createTime":5,"id":74,"options":75,"question":80,"source":31,"type":32},[],211658025,[76,77,78,79],"Mn2+的浓度增大,j值增大","MnO4−浓度减小,j值增大","H+浓度变化对j的影响比Mn2+的浓度变化的影响大","溶液稀释时[MnO4−] \u002F [Mn2+]的值不变,j 值也不改变","对于电对 MnO4−\u002F Mn2+的电极电势,下列叙述正确的是 ( )",{"answer":82,"createTime":5,"id":83,"options":84,"question":89,"source":31,"type":32},[],211658026,[85,86,87,88],"Sn4+ + 2e- = Sn2+","Cl2+2e- = 2Cl-","Fe - 2e- = Fe2+","2H+ + 2e- = H2","下列电极反应中,有关离子浓度减小时,电极电势增大的是: ( )",{"answer":91,"createTime":5,"id":92,"options":93,"question":98,"source":31,"type":32},[],211658027,[94,95,96,97],"Ce 3+ + Fe 3+ = Ce 4+ + Fe 2+","3Ce 4+ + Ce = 4Ce 3+","Ce 4+ + Fe 2+ = Ce 3+ + Fe 3+","2Ce 4+ + Fe = 2Ce 3+ + Fe 2+","原电池(-)pt︱Fe 3+, Fe 2+ ‖ Ce 4+, Ce 3+︱Pt(+),该原电池放电时所发生的反应是 ( )",{"answer":100,"createTime":5,"id":101,"options":102,"question":107,"source":31,"type":32},[],211658028,[103,104,105,106],"6.93×10-7","1.98×1012","1.4×106","4.8×10-13","j Ө(Cu2+\u002FCu+)=0.158V,j Ө (Cu+\u002FCu )=0.522V,则反应 2 Cu+ \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F08a022bc477f3020d32eaef3c056339d.jpg\">Cu2+ + Cu的KӨ为"]