[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fZH4dzeiZMx9fLluPEzaG4VMIlurI_cnKF_K-deb1Rlk":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":16,"related":17,"source":27,"type":28},[],"2026-05-30 22:44:41",393618620,[8,9,10,11],"中性物质","酸性物质","碱性物质","两性物质",{"courseId":13,"courseImg":14,"courseName":15},"b0a69a972d6a86e51a70f6082d249caf","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F9c1e48361b00f3ee2086f4e259ed792b.jpg","分析化学智慧课程","按质子理论,Na2HPO4是( )",[18,29,38,47,56,65,74,77,86,95],{"answer":19,"createTime":5,"id":20,"options":21,"question":26,"source":27,"type":28},[],393618614,[22,23,24,25],"KaKb = 1","KaKb =Kw","Ka\u002FKb =Kw","Kb \u002FKa =Kw","共轭酸碱对的Ka与Kb的关系是( )","v1",0,{"answer":30,"createTime":5,"id":31,"options":32,"question":37,"source":27,"type":28},[],393618615,[33,34,35,36],"H3PO4","HPO42-","PO43-","OH-","H2PO4-的共轭碱是( )",{"answer":39,"createTime":5,"id":40,"options":41,"question":46,"source":27,"type":28},[],393618616,[42,43,44,45],"NH2-","NH2OH2-","NH4+","NH4OH","NH3的共轭酸是( )",{"answer":48,"createTime":5,"id":49,"options":50,"question":55,"source":27,"type":28},[],393618617,[51,52,53,54],"HCN-NaCN","H3PO4-Na2HPO4","+NH3CH2COOH-NH2CH2COO-","H3O+-OH-","下列各组酸碱组分中,属于共轭酸碱对的是( )",{"answer":57,"createTime":5,"id":58,"options":59,"question":64,"source":27,"type":28},[],393618618,[60,61,62,63],"H2CO3-CO32-","NH3-NH2-","HCl-Cl-","HSO4--SO42-","下列各组酸碱组分中,不属于共轭酸碱对的是( )",{"answer":66,"createTime":5,"id":67,"options":68,"question":73,"source":27,"type":28},[],393618619,[69,70,71,72],"H2O作为酸的共轭碱是OH-","H2O作为碱的共轭酸是H3O+","因为HAc的酸性强,故HAc的碱性必弱","HAc碱性弱,则H2Ac+的酸性强","下列说法错误的是( )",{"answer":75,"createTime":5,"id":6,"options":76,"question":16,"source":27,"type":28},[],[8,9,10,11],{"answer":78,"createTime":5,"id":79,"options":80,"question":85,"source":27,"type":28},[],393618622,[81,82,83,84],"1.8×10-10","5.6×10-10","5.0×10-14","1.8×10-15","NH3的Kb=1.8×10-5,则其共轭酸的Ka为( )",{"answer":87,"createTime":5,"id":88,"options":89,"question":94,"source":27,"type":28},[],393618623,[90,91,92,93],"Ka1","Ka2","Kb3","Ka","对于三元酸,Ka1.( )=Kw",{"answer":96,"createTime":5,"id":97,"options":98,"question":103,"source":27,"type":28},[],393618624,[99,100,101,102],"[H + ][OH -] 的乘积增大","[H + ][OH -] 的乘积不变","[H + ][OH -] 的乘积减小","[OH -] 浓度增加","在纯水中加入一些酸,则溶液中"]