2022年人教版高中化学必修一3.2《几种重要的金属化合物》word教案2 .pdf

名师精编优秀教案【新编精品】人教化学必修一3.2 几种重要的金属化合物教案（第 3 课时）【温故知新】(回忆、练习)请你写出铁在一定条件下与水反应的化学方程式并用“单线桥”标出电子转移的方向与数目。3Fe4H2O高温Fe3O4H2【课堂生成】【课堂研讨】1.(自学、归纳)阅读课本 P59，对比、总结铁的氧化物的性质，完成下表。名称氧化亚铁氧化铁四氧化三铁俗名铁红磁性氧化铁化学式FeO Fe2O3Fe3O4铁的化合价 2 3 2、3 颜色状态黑色粉末红棕色粉末黑色晶体溶解性不溶不溶不溶与 H反应与 CO反应空气中稳定性加热生成Fe3O4稳定稳定【课堂生成】2.(观察、思考)在两只试管中分别加入少量的三氯化铁和硫酸亚铁溶液，然后逐滴滴入稀氨水至过量。观察并描述实验现象。三氯化铁溶液硫酸亚铁溶液加入稀氨水产生红褐色沉淀先产生白色沉淀，迅速变成灰绿色，最终变为红褐色离子方程式Fe3+3NH3H2O Fe(OH)3+3NH4Fe3+2NH3H2O Fe(OH)2+2NH4【课堂生成】观看录像，后填表。3.(思考、讨论)对比分析：分别在空气中加热Fe(OH)3与固体，写出相应的化学方程式。4Fe(OH)2O22H2O 4Fe(OH)38e名师精编优秀教案2Fe(OH)3Fe2O33H2O【练一练】某溶液中有Mg2、Fe2、Fe3和 Al3四种离子，若向其中加入过量的氢氧化钠溶液，微热并搅拌，再加入过量盐酸，最终溶液中各阳离子的物质的量有何变化？写出上述所有的化学方程式(是离子反应的只写离子方程式)。【课堂生成】上课前让学生把【温故知新】与前3 道题及【练一练】的有关方程式先书写到黑板上，上课时边学习边点评。4.(思考、讨论)制取 Fe(OH)2沉淀实验探究。实验常用以下两种方法制取Fe(OH)2沉淀：方法一：用不含Fe3的 FeSO4溶液与不含O2的蒸馏水配制的NaOH 溶液反应制备。有同学提议在NaOH溶液的上方加一层煤油或苯，能使制得的Fe(OH)2沉淀较长时间保持白色，他的理由是什么？隔绝空气方法二：在如下图所示的装置中，用NaOH溶液、铁屑、稀H2SO4等试剂制备。文档编码:CS2N7Z4F5D7 HD5F8L1Q7T3 ZB6T7G10V2G7文档编码:CS2N7Z4F5D7 HD5F8L1Q7T3 ZB6T7G10V2G7文档编码:CS2N7Z4F5D7 HD5F8L1Q7T3 ZB6T7G10V2G7文档编码:CS2N7Z4F5D7 HD5F8L1Q7T3 ZB6T7G10V2G7文档编码:CS2N7Z4F5D7 HD5F8L1Q7T3 ZB6T7G10V2G7文档编码:CS2N7Z4F5D7 HD5F8L1Q7T3 ZB6T7G10V2G7文档编码:CS2N7Z4F5D7 HD5F8L1Q7T3 ZB6T7G10V2G7文档编码:CS2N7Z4F5D7 HD5F8L1Q7T3 ZB6T7G10V2G7文档编码:CS2N7Z4F5D7 HD5F8L1Q7T3 ZB6T7G10V2G7文档编码:CS2N7Z4F5D7 HD5F8L1Q7T3 ZB6T7G10V2G7文档编码:CS2N7Z4F5D7 HD5F8L1Q7T3 ZB6T7G10V2G7文档编码:CS2N7Z4F5D7 HD5F8L1Q7T3 ZB6T7G10V2G7文档编码:CS2N7Z4F5D7 HD5F8L1Q7T3 ZB6T7G10V2G7文档编码:CS2N7Z4F5D7 HD5F8L1Q7T3 ZB6T7G10V2G7文档编码:CS2N7Z4F5D7 HD5F8L1Q7T3 ZB6T7G10V2G7文档编码:CS2N7Z4F5D7 HD5F8L1Q7T3 ZB6T7G10V2G7文档编码:CS2N7Z4F5D7 HD5F8L1Q7T3 ZB6T7G10V2G7文档编码:CS2N7Z4F5D7 HD5F8L1Q7T3 ZB6T7G10V2G7文档编码:CS2N7Z4F5D7 HD5F8L1Q7T3 ZB6T7G10V2G7文档编码:CS2N7Z4F5D7 HD5F8L1Q7T3 ZB6T7G10V2G7文档编码:CS2N7Z4F5D7 HD5F8L1Q7T3 ZB6T7G10V2G7文档编码:CS2N7Z4F5D7 HD5F8L1Q7T3 ZB6T7G10V2G7文档编码:CS2N7Z4F5D7 HD5F8L1Q7T3 ZB6T7G10V2G7文档编码:CS2N7Z4F5D7 HD5F8L1Q7T3 ZB6T7G10V2G7文档编码:CS2N7Z4F5D7 HD5F8L1Q7T3 ZB6T7G10V2G7文档编码:CS2N7Z4F5D7 HD5F8L1Q7T3 ZB6T7G10V2G7文档编码:CS2N7Z4F5D7 HD5F8L1Q7T3 ZB6T7G10V2G7文档编码:CS2N7Z4F5D7 HD5F8L1Q7T3 ZB6T7G10V2G7文档编码:CS2N7Z4F5D7 HD5F8L1Q7T3 ZB6T7G10V2G7文档编码:CS2N7Z4F5D7 HD5F8L1Q7T3 ZB6T7G10V2G7文档编码:CS2N7Z4F5D7 HD5F8L1Q7T3 ZB6T7G10V2G7文档编码:CS2N7Z4F5D7 HD5F8L1Q7T3 ZB6T7G10V2G7文档编码:CS2N7Z4F5D7 HD5F8L1Q7T3 ZB6T7G10V2G7文档编码:CS2N7Z4F5D7 HD5F8L1Q7T3 ZB6T7G10V2G7文档编码:CS2N7Z4F5D7 HD5F8L1Q7T3 ZB6T7G10V2G7文档编码:CS2N7Z4F5D7 HD5F8L1Q7T3 ZB6T7G10V2G7文档编码:CS2N7Z4F5D7 HD5F8L1Q7T3 ZB6T7G10V2G7文档编码:CS2N7Z4F5D7 HD5F8L1Q7T3 ZB6T7G10V2G7文档编码:CS2N7Z4F5D7 HD5F8L1Q7T3 ZB6T7G10V2G7文档编码:CS2N7Z4F5D7 HD5F8L1Q7T3 ZB6T7G10V2G7文档编码:CS2N7Z4F5D7 HD5F8L1Q7T3 ZB6T7G10V2G7文档编码:CS2N7Z4F5D7 HD5F8L1Q7T3 ZB6T7G10V2G7文档编码:CS2N7Z4F5D7 HD5F8L1Q7T3 ZB6T7G10V2G7文档编码:CS2N7Z4F5D7 HD5F8L1Q7T3 ZB6T7G10V2G7文档编码:CS2N7Z4F5D7 HD5F8L1Q7T3 ZB6T7G10V2G7文档编码:CS2N7Z4F5D7 HD5F8L1Q7T3 ZB6T7G10V2G7文档编码:CS2N7Z4F5D7 HD5F8L1Q7T3 ZB6T7G10V2G7文档编码:CS2N7Z4F5D7 HD5F8L1Q7T3 ZB6T7G10V2G7名师精编优秀教案试管里应加入什么试剂？铁屑、稀 H2SO4试管里应加入什么试剂？NaOH 溶液在 试管和中加入试剂，打开止水夹，过一段时间，试管中的反应还在进行时，再关闭止水夹一会儿，试管中有什么现象发生？写出试管中发生反应的离子方程式。产生白色沉淀HOH2H2OFe22OH Fe(OH)2 这样生成的Fe(OH)2沉淀能较长时间保持白色，为什么？试管上部充满了H2，没有氧气，无法把生成的Fe(OH)2 氧化【课堂生成】播放实验录像，观看录像后，学生再回答问题要求学生理解操作方法及原理5.(观察、思考)实验探究：Fe2和 Fe3的检验。观察实验，将实验现象填入下表：Fe3Fe2溶液的颜色黄色浅绿色加入 KSCN 溶液溶液变为血红色无明显现象结合 Fe3的检验，请设计实验检验某未知溶液中是否含有Fe2？写出简要的操作步骤及相关离子方程式。【课堂生成】总结两种检验Fe3与 Fe2的方法：沉淀法与络合法6.(思考、讨论)Fe2与 Fe3的相互转化。写出下列转化的化学方程式(是离子反应的只写离子方程式)。文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4名师精编优秀教案【课堂生成】【巩固练习】1.完成课时作业本P132的习题。2.FeSO4溶液含有杂质CuSO4和 Fe2(SO4)3，为除去杂质，提纯FeSO4，应该加入A.锌粉B.镁粉C.铁粉 D.铝粉3.在含有 1 mol FeSO4的溶液中投入一小块金属钠，反应完全后，滤出沉淀并洗涤之，然后在空气中灼烧沉淀得到的固体物质是A.Fe B.FeO C.Fe(OH)3 D.Fe2O35.将 Cu片放入 0.1 mo l l1 FeCl3溶液中，反应一定时间后取出Cu片，溶液中c(Fe3):c(Fe2)2:3,则 Cu2与 Fe3的物质的量之比为A.3:2 B.3:5 C.4:3 D.3:4 4.向 200 mL 0.1 mol L1的 Fe(NO3)2溶液中加入适量NaOH，使 Fe2恰好完全沉淀，小心加热此混合物，经足够长的时间，恢复至室温，过滤得沉淀物，对该沉淀物进行灼烧直到质量不再变化时，此固体的质量为A.1.44 g B.1.60 g C.3.20 g D.2.14 g 5.只用一种试剂就可将AgNO3、KSCN、稀 H2SO4、NaOH 四种无色溶液区分开，这种试剂是A.BaCl2溶液 B.FeCl2溶液C.F eCl3溶液 D.Fe(NO3)2溶液6.向一家量的FeO、Fe、Fe2O3的混合物中，加入100 mL 1 mol L1的盐酸，恰好使混合文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4名师精编优秀教案物完全溶解，放出 224 mL(标准状况)气体，在所得溶液中加入KSCN 溶液无血红色出现。若用足量的CO在高温下还原相同质量的原混合物，可得到铁的质量是A.11.2 g B.5.6 g C.2.8 g D.无法计算文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4文档编码:CX8F4T3M7R2 HI1G4A2T2L4 ZV5G4K5H6O4