[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$ft6iU7EteSmDgMO2Sjos3Qf--R703FuoYraLDtitE4aQ":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2024-05-30 18:56:46",147362112,[8,9,10,11],"1","2","3","无法确定",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},35,"640e43f5c6b4197b82fd93532e722e0f","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F7e360adc6ad2c384ec70648807824247.jpg","无机及分析化学","work_34784757","","磷酸是三元酸,用NaOH标准溶液直接滴定时,pH突跃有( )个.",[21,32,41,50,58,67,76,85,94,97],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],147362104,[25,26,27,28],"溶胶是负溶胶","电势离子是银离子","反离子是硝酸根离子","扩散层带负电","由过量溴化钾溶液与硝酸银溶液混合得到的溶胶,其( ).","v1",0,{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":30,"type":31},[],147362105,[36,37,38,39],"铬黑T","淀粉","高锰酸钾自身","二苯胺","高锰酸钾溶液滴定过氧化氢,可选用的指示剂是( ).",{"answer":42,"createTime":5,"id":43,"options":44,"question":49,"source":30,"type":31},[],147362106,[45,46,47,48],"氢离子","氢氧根离子","水合氢离子","水分子","水的共轭酸是( ).",{"answer":51,"createTime":5,"id":52,"options":53,"question":57,"source":30,"type":31},[],147362107,[54,55,56,11],"增大","不变","减小","在饱和的硫酸钡溶液中,加入适量的硫酸钠,则硫酸钡溶解度( ).",{"answer":59,"createTime":5,"id":60,"options":61,"question":66,"source":30,"type":31},[],147362108,[62,63,64,65],"放出热量多","内能增多","熵增多","焓、熵、热力学能变化相等","相同条件下,由相同反应物变为相同的产物,反应由两步与一步完成相比( ).",{"answer":68,"createTime":5,"id":69,"options":70,"question":75,"source":30,"type":31},[],147362109,[71,72,73,74],"α和pH都增大","α减小,pH增大","α增大,pH变小","α、pH都减小","在氨水中加入氯化铵后,一水合氨的α和pH变化是( ).",{"answer":77,"createTime":5,"id":78,"options":79,"question":84,"source":30,"type":31},[],147362110,[80,81,82,83],"只有s电子","只有s和p电子","只有s、p和d电子","只有d电子","如果一个原子的主量子数是3,则它( ).",{"answer":86,"createTime":5,"id":87,"options":88,"question":93,"source":30,"type":31},[],147362111,[89,90,91,92],"二碘甲烷","二溴甲烷","二氯甲烷","二氟甲烷","二卤甲烷中,沸点最高的是( ).",{"answer":95,"createTime":5,"id":6,"options":96,"question":19,"source":30,"type":31},[],[8,9,10,11],{"answer":98,"createTime":5,"id":99,"options":100,"question":105,"source":30,"type":31},[],147362113,[101,102,103,104],"标准摩尔生成焓、标准熵","标准摩尔生成焓、标准摩尔生成自由能、标准熵","标准熵","标准摩尔生成焓、标准摩尔生成自由能","标准状态下,稳定单质C(石墨)的( )为零."]