[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fn8yL_zEqDt7Ldr76N2KA5G8ZgzACuzKp4MHMmLXdXYs":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":18,"related":19,"source":23,"type":24},[],"2023-05-09 02:27:09",32973061,[8,9,10,11],"9.56","8.35","4.75","7.00",{"courseId":13,"courseImg":14,"courseName":15,"workId":16,"workName":17},"1000006977","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fd924be059b55db2f7c94509b003c1dbe.jpg","“化眼”观世界-分析化学","21835417","“化眼”观世界-分析化学教程考试","0.010 mol\u002FL NH4Cl和 0.2 mol\u002FL NH3.H2O&zwj; 缓冲溶液的pH值为( )",[20,25,33,38,43,52,57,62,67,72],{"answer":21,"createTime":5,"id":6,"options":22,"question":18,"source":23,"type":24},[],[8,9,10,11],"v2",0,{"answer":26,"createTime":5,"id":27,"options":28,"question":31,"source":23,"type":32},[],32973106,[29,30],"对","错","酸碱滴定法测定分子量较大的难溶于水的羧酸时,可采用中性乙醇为溶剂.( )",3,{"answer":34,"createTime":5,"id":35,"options":36,"question":37,"source":23,"type":32},[],32973107,[29,30],"溶液酸度越高,KMnO4&zwj; 氧化能力越强,与Na2C2O4&zwj; 反应越完全,所以用Na2C2O4&zwj; 标定KMnO4&zwj; 时,溶液酸度越高越好.( )",{"answer":39,"createTime":5,"id":40,"options":41,"question":42,"source":23,"type":32},[],32973130,[29,30],"当一束白光通过KMnO4溶液时,该溶液选择性地吸收了绿色光,所以KMnO4溶液呈现紫红色.( )",{"answer":44,"createTime":5,"id":45,"options":46,"question":51,"source":23,"type":24},[],32973134,[47,48,49,50],"H2CO3-CO32-","NH3-NH4+","HCl-Cl-","HSO4--SO42-","下列各组酸碱组分中,不属于共轭酸碱对的是( )",{"answer":53,"createTime":5,"id":54,"options":55,"question":56,"source":23,"type":32},[],32973137,[29,30],"KMnO4&zwj; 法测定可在HCl介质中进行,因为发生的诱导效应能加快反应速度.( )",{"answer":58,"createTime":5,"id":59,"options":60,"question":61,"source":23,"type":32},[],32973143,[29,30],"用佛尔哈德法测定Cl-时,如果生成的AgCl沉淀不分离除去或加以隔离,AgCl沉淀可转化为AgSCN沉淀( )",{"answer":63,"createTime":5,"id":64,"options":65,"question":66,"source":23,"type":32},[],32973145,[29,30],"配位滴定时由于副反应的存在,远比酸碱滴定复杂.( )",{"answer":68,"createTime":5,"id":69,"options":70,"question":71,"source":23,"type":32},[],32973154,[29,30],"沉淀形式和称量形式一定不相同.( )",{"answer":73,"createTime":5,"id":74,"options":75,"question":80,"source":23,"type":24},[],32973160,[76,77,78,79],"吸光度","透光度","吸收波长","吸光系数","在吸光光度法中,透过光强度和入射光强度之比,称为( )"]