【文档说明】辽宁省部分高中2023-2024学年高三上学期期末考试 化学 PDF版含答案.pdf,共(10)页,3.483 MB,由管理员店铺上传
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#}{#{QQABLYQAogCgQBJAARgCAQXaCAGQkAGCCAoGQBAIsAAAQAFABCA=}#}高三化学(答)-12023—2024学年度上学期期末考试高三试题化学答案一、选择题(本题共15小题,每小题3分,共45分。
每小题只有一个选项符合要求)1.A2.C3.B4.B5.D6.B7.D8.A9.C10.C11.D12.D13.C14.A15.B二、非选择题(本题共4小题,共55分)16.(14分,除标注外每空2分)(1)3d14s2(2)Fe+2Fe3+=3Fe2+(3)6.0(4)使Sc
(OH)3溶解而杂质不溶解(5)Sc2(C2O4)3Sc2O3+3CO↑+3CO2↑(条件写煅烧也可)(6)蒸发结晶(1分),趁热过滤(1分)(7)67.017.(13分,除标注外每空2分)(1)球形干燥管(1分
)吸收尾气NH3(2)防止H2O2分解(多答防止一水合氨分解不扣分)2[Co(NH3)6]Cl2+H2O2+2NH4Cl2[Co(NH3)6]Cl3+2NH3↑+2H2O(条件写水浴加热也可)(3)降低[Co(NH3)6]Cl3在水中的溶解度,有利于其结晶析出(4
)0.45(2c1V1-c2V2)(其他合理答案均可);偏低18.(14分,除标注外每空2分)(1)CO(g)+12O2(g)CO2(g)ΔH=-282.7kJ/mol(2)D(1分)(3)①T1<T2<T3②m3<m2<m1③0.9;33.3(4)1.2;>(1分)19.(14分,除标注
外每空2分)(1)2-羟基苯甲酸(1分);加聚反应(1分)(2)羧基、酯基(少答一个得1分,错答不得分)(3)浓溴水或氯化铁溶液(4)(5)ad(6)11;(邻间对)或(邻间对){#{QQABLYQAog
CgQBJAARgCAQXaCAGQkAGCCAoGQBAIsAAAQAFABCA=}#}获得更多资源请扫码加入享学资源网微信公众号www.xiangxue100.com