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1、无机框图推断题的破解技巧一立足基础找题眼（Crackskillsindeductionofinorganicblockdiagram）Ihavenotacockmihunstrokes,whiteworld.SuzhoucityoutsidetheHanshanTemple,midnightbelltothepassengership.Jiangshantalentedgeneration,outoftheleadforhundredsofyears.Cloudlikeclotheslook,the
2、springbreezeblowssillRevlon.Crackskillsindeductionofinorganicblockdiagram"1.eyeone:commongasSimplegas:H2,O2,N2,Cl2(HuangLvshai)andF2(palegreen)Gaseoushydride:NH3(redlitmuspapercolorless,pungentodor,easilyliquefied,easilysolubleinwater,canmakewetblue,me
3、tHClformationofwhitesmoke)HCl(bluelitmuspapercolorless,pungentodor,easilysolubleinwater,canmakethemoistred,theformationofwhitemist,intheairencounteredintheNH3formationofwhitesmoke)H2S(colorlessandodorouseggsmell,proteindecayproduct,solubleinwater,canle
4、adtoawetleadacidtestblack)Ahydrocarbonof4orlessthan4carbonNonmetallicgasoxide:CO,CO2(linearnonpolarmolecules),NO(whichturnsredintheair),NO2(redbrown,pressurized,cooldown)intocolorless,andSO2(colorlessandpungentodorthatcandiscolormagentasolution)[solido
5、xide]:SO3(colorlesscrystal,YiHuifa)andP2O5(whitesolid,easilyhygroscopic,oftenusedasadesiccant),SiO2(insolubleinwater,highmeltingsolidsinsolubleinordinaryacids,butsolubleinhydrofluoricacidandalkalisolution)Gaseoushalogenatedhydrocarbons:methylchloride(C
6、H3Cl)andvinylchloride(CH2=CHCl)Gaseousaldehydes:formaldehyde(HCHO)2.eyetwo:gassolubilityinductionInsolubleinwater:H2,N2,CO,NO,CH4,C2H4;Slightlysolubleinwater:O2,C2H2;Solubleinwater:Cl2(1:1),H2S(1:2.6),SO2(1:40);Highlysolubleinwater:NH3(1:700),HCl(1:500
7、),HF,HBr,HI.3.eyethree:commonliquidsubstancesInorganic:Br2,brominewater(H2O),hydrogenperoxide(H2O2),carbondisulfide(CS2),phosphorus(PCl3)Aninferiorhydrocarbonofmorethan5carbonatoms;Inadditiontolowermethanechlorideandvinylchlorideadditionofhalogenatedhy
8、drocarbons;loweralcohol;Alowgradealdehydeotherthanformaldehyde;alowercarboxylicacid;alowester.4.eyefour:thecolorofcommonsubstances(see1)5.questions:fiveeyediagramaccordingtothechangeofthesameelementvalenceasthemainline,namelyA,B,C......
