1、选择题 常温下，下列各组离子在指定溶液中能大量共存的是
A．pH=1的溶液中：Fe2+、NO3-、SO42-、Na+
B．由水电离的c (H＋)=\"1\" ×10![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060704/juv4pk5lo5y.png\" style=\"vertical-align:middle;\">mol/L的溶液中：Ca2+、K+、Cl-、HCO3-
C．c (Fe3＋)=0.1mol/L的溶液中：K+、ClO-、SO42-、SCN-
D．c (H＋)/c (OH－)=1012的溶液中：NH4+、Al3+、NO3-、Cl-
2、选择题 常温下，浓度均为0.1 mol/L的三种溶液：①CH3COOH溶液；②NaOH溶液；③CH3COONa溶液。下列说法不正确的是(? )
A．溶液的pH：②>③>①
B．水电离出的c(OH-)：③>①>②
C．②和③等体积混合后的溶液：c(Na+)+c(H+)=c(OH-)+c(CH3COO-)
D．①和②等体积混合后的溶液：c(CH3COOH)+c(CH3COO-)=\"0.1\" mol/L
3、选择题 在25℃的条件下，下列各组离子一定能在指定环境中大量共存的是
A．在c(H+)=10-10 mol/L的溶液中： Al3+、NH![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060704/rjrliwagjvd.png\" style=\"vertical-align:middle;\">、Cl－ 、NO![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060704/czlc1a2wpce.png\" style=\"vertical-align:middle;\">
B．pH=13的溶液中：K+ 、Na+、SO![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060704/fm4i0kdjsyn.png\" style=\"vertical-align:middle;\">、Cl－
C．pH=2的溶液中： K+、NH![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060704/rjrliwagjvd.png\" style=\"vertical-align:middle;\">、Cl－、ClO－
D．甲基橙呈红色的溶液中：Fe3+、Na+ 、SO![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060704/c0xqymodoit.png\" style=\"vertical-align:middle;\">、CO![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060704/fm4i0kdjsyn.png\" style=\"vertical-align:middle;\">
4、选择题 下列各组离子中，能在溶液中大量共存的是（ ）
A．OH-、Na+、HCO3-、Cl-
B．Ba2+、Na+、Cl-、SO42-
C．K+、Al3+、SO42-、OH-
D．Ag+、Al3+、NO3-、H+
5、选择题 常温下，下列各组离子在指定溶液中能大量共存的是：
A．![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060721/znseze1tifg.png\" style=\"vertical-align:middle;\">的溶液中：![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060721/u2sw44rtrva.png\" style=\"vertical-align:middle;\">、![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060721/d34p0srmrqa.png\" style=\"vertical-align:middle;\">、![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060721/0tlpl41punw.png\" style=\"vertical-align:middle;\">、![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060721/bbcktcb2p31.png\" style=\"vertical-align:middle;\">
B．由水电离的![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060721/hfg54yhbnau.png\" style=\"vertical-align:middle;\">的溶液中：![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060721/cdkmn4awnkf.png\" style=\"vertical-align:middle;\">、![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060721/gbqdeyq1bar.png\" style=\"vertical-align:middle;\">、![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060721/awtiam0mad5.png\" style=\"vertical-align:middle;\">、![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060721/l5a3go2t3ck.png\" style=\"vertical-align:middle;\">
C．![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060721/tagwiw23hqc.png\" style=\"vertical-align:middle;\">的溶液中：![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060721/e2xooqun5qp.png\" style=\"vertical-align:middle;\">、![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060721/q55ma2nb2m4.png\" style=\"vertical-align:middle;\">、![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060721/d34p0srmrqa.png\" style=\"vertical-align:middle;\">、![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060721/m1uz41rislr.png\" style=\"vertical-align:middle;\">
D．![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060721/enhqdniapou.png\" style=\"vertical-align:middle;\">的溶液中：![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060721/3qtqjlg3lc3.png\" style=\"vertical-align:middle;\">、![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060721/jsjhwtsz21r.png\" style=\"vertical-align:middle;\">、![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060721/xtaowzlbslv.png\" style=\"vertical-align:middle;\">、![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060721/csx2n0b21ou.png\" style=\"vertical-align:middle;\">
