loading常见离子的鉴定
P PP PP PP
第一组离子SBB2BBOBB3PBPB2-PP POBB4PBPB3- MgPP2+ BiPP3+PP MnPP2+AgPP+P FePP2+
第二组离子NOBB3PBPB- SPP2- AlPP3+ NHBB4PBPB+PP CrPP3+P PbPP2+ NiPP2+
第三组离子P KPP+ PP CaPP2+ BaPP2+ SbPP3+PP CuPP2+PP FePP3+
第四组离子CoPP2+ HgBB2PBPB2+ HgPP2+PPP ZnPP2+PP CdPP2+ SnPP2+
第五组离子NOBB2PBPB-PP SOBB4PBPB2-SOBB3PBPB2-PPP PP ClPP-PP IPP-PP Br
第一组： 现象 白↓ 黄↓ 棕↓ 黑↓ 黄↓ 2AgPP+PP + SBB2BBOBB3PBPB2-PP = AgBB2BBSBB2BBOBB3BB↓ 反应式 试剂 法1：10滴0.2mol/L AgNOBB3BB 0.2mol/LNaBB2BBSBB2BBOBB3BB 逐滴加入至过量) 法2：10滴0.2mol/L aBB2BBSBB2BBOBB3BB AgBB2BBSBB2BBOBB3BB + HBB2BBO = AgBB2BBS↓ + SOBB4PBPB2-PP + 2HSBB2BBOBB3PBPB2-PP + 2HPP+PP = SOBB2BB↑ + S↓ + HBB2BBO 3-5滴3mol/L HBB2BBSOBB4BB 法3：10滴0.2mol/L IBB2BB2 SBB2BBOBB3PBPB2-PP + IBB2BB = SBB4BBOBB6PBPB2-PP + 2IPP-PP 水 褪色 黄↓ POBB4PBPB3-PP+12MoOBB4PBPB2-aBB2BBSBB2BBOBB3BB IBB2BB水 滴0.1mol/L NaBB3BBPOBB4BB 5滴6mol/L HNOBB3BB PP+3NHBB4PBPB+PP+24HPP+PP=(NHBB4BB)BB3BB12MoOBB3BB·6或：(NHBB4BB)BB3BB12MoOBB3BB+12HBB2BBO (NHBB4BB)BB3BB[P(MoBB3BBOBB10BB)BB4BB]·6HBB2BBO MgPP2+PP+2OHPP-PP=Mg(OH)BB2BB↓ 白↓ 蓝↓ 8-10滴饱和(NHBB4BB)BB2BBMoOBB4BB，△ 滴0.5mol/LMgClBB2BB+6mol/LNaOH MgPP2+PP+2OBB2BBNCBB6BBHBB4BBN＝NCBB10BBHBB6BBOH+2OHP 1滴镁试剂 PP=Mg(OBB2BBNCBB6BBHBB4BBNNCBB10BBHBB6BBO)BB2BB+2HBB2反应式见后。 法1：1滴0.1mol/L Bi(NOBB3BB)BB3BB 1滴2.5%硫脲 鲜黄 BiPP3+ PP + CS(NHBB2BB)BB2 BB=BB BB [Bi(CS(NHBB2BB)BBAgPP+ 2MnPP2+PP+5NaBiOBB3BB+14HPP+PP = 2MnOBB4PBPB-PP+5NaPP+PP+5BiPP3+PP+7HBB2BBO 滴0.5mol/L MnSOBB4BB+5滴mol/LHNOBB3BB+1滴0.1mol/L AgNOBB3BB 紫红aq NaBiOBB3BB(S) 滴.1mol/L(NHBB4BB)BB2BBFe(SOBB4BB)BB2BB 滕氏蓝↓ 3FePP2+PP + 2[Fe(CN)BB6BB]PP4-PP = FeBB3BB[Fe(CN)BB6B1滴0.5mol/LKBB3BB〔Fe(CN)BB6BB〕 白↓ ↓溶解 白↓ 第二组： 现象 反应式 NOBB3PBPB-PP +3FePP2+PP +4HPP+PP = NO + 3FePP3+PP + 2HBB2BBO FePP2+PP + NO = [Fe(NO)]PP2+PP(棕色) SPP2-PP + [Fe(CN)BB5BBNO]PP2-PP= [Fe(CN)BB5BBNOS]PP4-PP AgPP+PP + ClPP-PP = AgCl↓ AgPP+PP + 2NHBB3BB = [Ag(NHBB3BB)BB2BB]PP+PP 滴0.5mol/LAgNOBB3BB 5滴0.5mol/LHCl 6mol/LNHBB3BB·HBB2BBO(过量) 6mol/LHNOBB3BB [Ag(NHBB3BB)BB2BB]PP+PP+ ClPP+PP + 2HPP+ PP= AgCl↓+ mol/L NaNOBB3BB 棕 4BB(S)+1滴浓OBB4BB 紫mol/L NaBB2BBS ol/L NaOH aq [Fe(CN)BB5BBNO] mol/LAlClBB3BB+2滴+2滴2mol/LHAC+2滴，水浴； ol/LNHBB3 Al(OH)BB3BB+3CBB14BBHBB5BBOBB2BB(OH)BB2BBSOBB3BBNa=Al(CBB14BBHBB5BBOBB4BBSOBB3红↓ 反应式见后。 2BBO LNHBB4BBCl+40%NaOH 红棕试剂〔HgIBB4BB〕PP2-↓ NHBB4PBPB+PP+2[HgIBB4BB]PP2-PP+4OHPP-PP=[OHgBB2BBNHBB2BB]I↓+7IPP-PP+3HBB2BBO 灰绿↓ 蓝绿aq CrPP3+PP + 3OHPP-PP = Cr(OH)BB3BB↓ Cr(OH)BB3BB + OHPP-PP = CrOBB2PBPB-PP + 2HBB2BBO 2CrOBB2PBPB-PP + 3HBB2BBOBB2BB + 2OHPP-PP = 2CrOBB4PBPB2-PP + 4HBB2BBO 2CrOBB4PBPB2-PP + 2HPP+PP = CrBB2BBOBB7PBPB2-PP + HBB2BBO mol/LCrClBB3BB NaOH(过量) %HBB2BBOBB2BB,△(水黄aq 橙aq 黄aq+10滴4HBB2BBOBB2BB + CrBB2BBOBB7PBPB2-PP + 2HPP+PP = 2CrOBB5BB + 5HBB2BBO %HBB2BBOBB2BB+乙醚 深蓝 PbPP2+PP + CrOBB4PBPB2-PP = PbCrOBB4BB↓ 黄（乙BB2BBSOBB4 ol/LPb(NOBB3BB)BB2BB 醚层） 黄↓ 黄↓ PbPP2+PP+ CrOBB4PBPB2-PP= PbCrOBB4BB↓ LPb(NOBB3BB)BB2BB ↓溶PbCrOBB4BB + 3OHPP-PP = [Pb(OH)BB3BB]PP-PP+ CrOBB4PBPB2-PP ol/LKBB2BBCrOBB4BB 解