[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f1OOj4CGVDtp9qQk8kgWhWq7Oj3Sihk8k7OmCM1mVFNo":3},{"id":4,"source":5,"question":6,"options":7,"answer":8,"related":9,"type":51,"origin":57,"createTime":52},387409468,"v1","乙酰乙酸乙酯为何要用减压蒸馏进行纯化",[],[],[10,19,25,31,39,45,53],{"id":11,"source":5,"question":12,"options":13,"answer":14,"related":15,"type":16,"origin":17,"createTime":18},24278590,"乙酰乙酸乙酯制备实验中,制备钠砂的目的是( ),进而( )",[],[],[],2,null,"2025-03-21T12:56:04+08:00",{"id":20,"source":5,"question":21,"options":22,"answer":23,"related":24,"type":16,"origin":17,"createTime":18},24278591,"乙酰乙酸乙酯制备实验中, 采用( )酸化",[],[],[],{"id":26,"source":5,"question":27,"options":28,"answer":29,"related":30,"type":16,"origin":17,"createTime":18},24278592,"乙酰乙酸乙酯制备实验中,用乙酸中和过程开始析出的少量固体是( )",[],[],[],{"id":32,"source":5,"question":33,"options":34,"answer":35,"related":36,"type":37,"origin":17,"createTime":38},24278593,"乙酰乙酸乙酯制备时,多余的钠片不用及时放入装有烃溶剂(通常是二甲苯)的瓶中",[],[],[],3,"2023-05-22T18:23:32+08:00",{"id":40,"source":5,"question":41,"options":42,"answer":43,"related":44,"type":37,"origin":17,"createTime":38},24278594,"乙酰乙酸乙酯制备时,钠珠的大小决定着反应的快慢.钠珠越细越好,应呈小米状细粒",[],[],[],{"id":46,"source":5,"question":47,"options":48,"answer":49,"related":50,"type":51,"origin":17,"createTime":52},387409467,"在乙酰乙酸乙酯制备实验中,加入50%醋酸和饱和食盐水的目的何在",[],[],[],4,"2026-05-26T07:56:39+08:00",{"id":4,"source":5,"question":6,"options":54,"answer":55,"related":56,"type":51,"origin":17,"createTime":52},[],[],[],{"courseName":58,"courseImg":59,"workName":60,"workId":61,"count":62,"courseId":63},"默认课程","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","乙酰乙酸乙酯的制备","256be4ca5ee34ed88a0491ff2244e949",7,"53e1d2ef4961cca8eea3e23969ad2cb9"]