高中化学知识总结离子共存问题小结（summary of chemistry knowledge in senior high school summary of ion coexistence）

高中化学知识总结离子共存问题小结（SUMMARYOFCHEMISTRYKNOWLEDGEINSENIORHIGHSCHOOLSUMMARYOFIONCOEXISTENCE）SUMMARYOFCHEMISTRYKNOWLEDGEINSENIORHIGHSCHOOLSUMMARYOFIONCOEXISTENCE1“COLORLESSTRANSPARENT“CONDITIONALTYPEIFTHETITLEISLIMITED,ISNOT“COLORLESS“SOLUTIONCONTAININGNONFERROUSIONS,NAMELYFE2LIGHTGREEN,FE3YELLOW,CU2BLUE,MNO4PURPLEPLASMAIFTRANSPARENT,THESOLUTIONDOESNOTFORMCLOUDYORPRECIPITATEIRRESPECTIVEOFTHECOLOROFTHESOLUTIONSUCHASAGANDCL,BR,I,CA2,SO42ANDSO42CO32BA2ANDCO32,SO32,ETCTHEREACTIONOFSO42INAQUEOUSSOLUTION,PRECIPITATIONTOPRODUCETURBIDOROBVIOUS,THEYCANNOTCOEXISTALOTEXAMPLE1INACOLORLESSTRANSPARENTSOLUTION,THEFOLLOWINGGROUPSOFIONSCANCOEXISTINLARGENUMBERSAH,CL,BA2,CO32BAG,I,K,TRANSPORTARENO3CK,OH,CL,NADFE3,CL,TRANSPORTARENO3,NATHECORRECTOPTIONSHOULDMEETTWOCONDITIONSCOLORLESS,TRANSPARENTANDABLETOCOEXISTINLARGEQUANTITIESTHEANSWERISCTWO“ACID“CONDITIONTYPEACOMMONDESCRIPTIONOFSTRONGACIDICSOLUTION,PH1SOLUTION,PHCANMAKETHELITMUSREDSOLUTION,PURPLELITMUSSOLUTIONREDSOLUTION,METHYLORANGEREDSOLUTION,ADDINGMAGNESIUMPOWDERCANRELEASEHYDROGENSOLUTIONIFTHETITLEISDEFINEDINACIDICSOLUTION,THESOLUTIONINTHEPRESENCEOFH,WHICHDOESNOTCONTAINLARGEAMOUNTSOFOHIONSANDWEAKACIDSUCHASCO32,SO32,S2,F,CLO,CH3COO,PO43,ALO2,SIO32,ANDACIDRADICALIONSSUCHASHCO3,HSO3,HS,HPO42,H2PO4,ETCOFWEAKACIDSEXAMPLE2INAPH1SOLUTION,ALARGENUMBEROFIONSCANCOEXISTAK,NA,SO42,SO32BNH4,MG2,SO42,CLCNA,K,HCO3,CLDK,NA,ALO2ANDTRANSPORTARENO3ANALYSISTHECORRECTOPTIONSHOULDSATISFYTWOCONDITIONS,PH1ALARGENUMBEROFHEXISTSANDALARGENUMBEROFCOEXISTENCETHEANSWERISBTHREE“ALKALINE“CONDITIONEDTYPEACOMMONDESCRIPTIONOFSTRONGALKALINESOLUTION,PH14SOLUTION,PHCANMAKETHELITMUSBLUESOLUTION,REDLITMUSBLUESOLUTIONANDPHENOLPHTHALEINREDSOLUTION,METHYLORANGEYELLOWSOLUTION,ADDINGALUMINUMPOWDERGENERATEDAFTERREACTIONALO2SOLUTION,WHICHCANDISSOLVEALOH3ANDH2SIO3DISSOLVEDINSOLUTIONETCIFTHETITLEISDEFINEDINTHESOLUTIONALKALINESOLUTIONINOH,WHICHDOESNOTCONTAINLARGEAMOUNTSOFCATIONICH,WEAKBASESUCHASNH4,MG2,AG,AL3,CU2,FE2,FE3ANDWEAKACIDIONSSUCHASHCO3,HSO3,HS,HPO42,H2PO4ETCEXAMPLE3ASOLUTIONCANDISSOLVEBOTHALOH3ANDH2SIO3SOLUTION,WHERETHEGROUPOFIONSTHATCANCOEXISTINLARGEAMOUNTSOFTHISSOLUTIONISAK,NA,HCO3ANDTRANSPORTARENO3BNA,SO42,CL,CLOCH,MG2,SO42,TRANSPORTARENO3DAG,K,ANDNATRANSPORTARENO3THECORRECTOPTIONSHOULDMEETTHESOLUTIONCANDISSOLVEALOH3ANDH2SIO3SOLUTIONOH,CANBEALOTOFCOEXISTENCEOFTWOCONDITIONS,WITHONLYBFOURACIDICORALKALINECONDITIONTYPEACOMMONNARRATIVEISASOLUTIONTHATALLOWSALREACTIONSTOEMITH2IFSUCHCONDITIONSAPPEARINTHETITLE,THESOLUTIONMAYBEH,MAYALSOHAVETOPAYATTENTIONTOOH,ANALYSISOFTHETOPICREQUESTISTHEANSWERMUSTBEALARGENUMBEROFCOEXISTINGEITHERWITHHORMEETWITHOHWILLNOTREACTORMAYBEALOTOFCOEXISTENCEASLONGASMEETWITHANOREACTIONH,OHINMAYEXAMPLE4IFTHESOLUTIONCANREACTWITHALTOEMITH2,THEIONGROUPTHATCANCOEXISTINTHESOLUTIONSATISFYINGTHISCONDITIONISAAL3,NA,ANDCLTRANSPORTARENO3BK,NA,CL,SO42CK,NA,CL,ALO2DK,NH4,SO42,TRANSPORTARENO3THEANALYTICALSOLUTIONSUBJECTTOTHEACIDCONTAININGHORALKALINESOLUTIONCONTAININGOHTHECORRECTOPTIONSHOULDMEETINACIDORALKALINECANBEALARGENUMBEROFCOEXISTINGCONDITIONS,WITHONLYBFIVE“OXIDATIONREDUCTIONREACTION“CONDITIONALTYPEIFTHEREARENOCONDITIONSFORTHEEXISTENCEOFALARGENUMBEROFREDOXREACTIONSINTHETITLE,THEPRESENCEOFSTRONGOXIDIZINGANDSTRONGLYREDUCTIVEIONSINEACHIONGROUPSHOULDBECONSIDEREDSUCHASFE3ANDS2,SO32,HSO3,IHANDS2O32ANDS2MNO4HANDCLMNO4H,HTRANSPORTARENO3COEXISTWITHFE2,S2,HS,SO32,HSO3,BR,I,NOTALOTOFEXAMPLE5THEFOLLOWINGIONSCANNOTCOEXISTINASOLUTIONBECAUSEOFANOXIDATIONREDUCTIONREACTIONAH,FE2,NA,TRANSPORTARENO3BAG,K,ANDCLTRANSPORTARENO3CK,BA2,SO42,OHDCU2,NH4,BR,OHTHECORRECTOPTIONSHOULDMEETTWOCONDITIONSOXIDATIONREDUCTIONREACTIONANDNOCOEXISTENCEAH,FE2CANTRANSPORTARENO3,REDOXREACTION,SOTHEANSWERISATRACKINGTRAINING1,THEFOLLOWINGGROUPSOFIONSCANCOEXISTINALARGENUMBEROFSOLUTIONSANA,K,MNO4ACID,BRBFE3,NH4I,ACIDICSOLUTIONANDTRANSPORTARENO3CNA,K,ALO2ALKALINESOLUTION,SO42DBA2,NA,CO32ALKALINESOLUTION,CL2,THEFOLLOWINGGROUPSOFIONSCANCOEXISTINALARGENUMBEROFAISI