选择题 在下列各溶液中，离子一定能大量共存的是
A．强碱性溶液中：![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060704/lhe2u0o14gy.png\" style=\"vertical-align:middle;\">、![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060704/hhok21nvgw3.png\" style=\"vertical-align:middle;\">、![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060704/x33tzntwecs.png\" style=\"vertical-align:middle;\">、![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060704/olmmqh4d2pg.png\" style=\"vertical-align:middle;\">
B．室温下，![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060704/x0kd11i4mqj.png\" style=\"vertical-align:middle;\">的盐酸中：![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060704/1muiinpt3jh.png\" style=\"vertical-align:middle;\">、![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060704/um50g0zb20z.png\" style=\"vertical-align:middle;\">、![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060704/l5bwsvvtrwz.png\" style=\"vertical-align:middle;\">、![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060704/olmmqh4d2pg.png\" style=\"vertical-align:middle;\">
C．含有![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060704/yxuvmd42dnn.png\" style=\"vertical-align:middle;\">的溶液中：![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060704/1muiinpt3jh.png\" style=\"vertical-align:middle;\">、![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060704/lhe2u0o14gy.png\" style=\"vertical-align:middle;\">、![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060704/uunup12mlfo.png\" style=\"vertical-align:middle;\">、![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060704/x33tzntwecs.png\" style=\"vertical-align:middle;\">
D．由水电离产生的![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060704/0fk2pqe1grp.png\" style=\"vertical-align:middle;\">的溶液中：![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060704/1muiinpt3jh.png\" style=\"vertical-align:middle;\">、![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060704/lhe2u0o14gy.png\" style=\"vertical-align:middle;\">、![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060704/x33tzntwecs.png\" style=\"vertical-align:middle;\">、![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060704/ergtxdn4yki.png\" style=\"vertical-align:middle;\">
选择题 在下列各溶液中，离子一定能大量共存的是
A．强碱性溶液中：![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060704/lhe2u0o14gy.png\" style=\"vertical-align:middle;\">、![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060704/hhok21nvgw3.png\" style=\"vertical-align:middle;\">、![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060704/x33tzntwecs.png\" style=\"vertical-align:middle;\">、![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060704/olmmqh4d2pg.png\" style=\"vertical-align:middle;\">
B．室温下，![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060704/x0kd11i4mqj.png\" style=\"vertical-align:middle;\">的盐酸中：![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060704/1muiinpt3jh.png\" style=\"vertical-align:middle;\">、![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060704/um50g0zb20z.png\" style=\"vertical-align:middle;\">、![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060704/l5bwsvvtrwz.png\" style=\"vertical-align:middle;\">、![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060704/olmmqh4d2pg.png\" style=\"vertical-align:middle;\">
C．含有![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060704/yxuvmd42dnn.png\" style=\"vertical-align:middle;\">的溶液中：![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060704/1muiinpt3jh.png\" style=\"vertical-align:middle;\">、![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060704/lhe2u0o14gy.png\" style=\"vertical-align:middle;\">、![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060704/uunup12mlfo.png\" style=\"vertical-align:middle;\">、![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060704/x33tzntwecs.png\" style=\"vertical-align:middle;\">
D．由水电离产生的![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060704/0fk2pqe1grp.png\" style=\"vertical-align:middle;\">的溶液中：![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060704/1muiinpt3jh.png\" style=\"vertical-align:middle;\">、![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060704/lhe2u0o14gy.png\" style=\"vertical-align:middle;\">、![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060704/x33tzntwecs.png\" style=\"vertical-align:middle;\">、![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060704/ergtxdn4yki.png\" style=\"vertical-align:middle;\">
本题答案：B
本题解析：
试题分析：A． 在强碱性溶液中Mg2+会发生沉淀反应而不能大量共存，错误；B． 室温下，pH=1的盐酸中,离子之间不会发生任何反应，可以大量共存，正确；C． 含有![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060704/yxuvmd42dnn.png\" style=\"vertical-align:middle;\">的溶液中： ![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060704/uunup12mlfo.png\" style=\"vertical-align:middle;\">会发生沉 淀反应而不能大量存在，错误；D． 由水电离产生的![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060704/0fk2pqe1grp.png\" style=\"vertical-align:middle;\">的溶液可能呈酸性也可能呈碱性，若溶液是酸性溶液，则H+、![]()
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060704/ergtxdn4yki.png\" style=\"vertical-align:middle;\">会放出沉淀反应而不能大量共存，错误。
考点：考查溶液中离子大量共存的知识。
本题所属考点：【离子共存】
本题难易程度：【困难】
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