A
| ![]() 600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060721/3h15hfzgznu.jpg\" style=\"vertical-align:middle;\">
H2SO4
KI淀粉溶液
| 在空气中放置一段时间后溶液呈蓝色
| 4H++4I-+O2![]() 600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060721/sz10snhfujp.jpg\" style=\"vertical-align:middle;\">2I2+2H2O
|
B
| ![]() 600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060721/2qvae5ocagl.jpg\" style=\"vertical-align:middle;\">
稀盐酸
稀碳酸钠溶液
| 开始时无气泡,后来有气泡
| C![]() 600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060721/og14y0tsv0a.png\" style=\"vertical-align:middle;\">+H+![]() 600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060721/sz10snhfujp.jpg\" style=\"vertical-align:middle;\">HC![]() 600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060721/sqvs24xh5ry.png\" style=\"vertical-align:middle;\">
HC![]() 600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060721/sqvs24xh5ry.png\" style=\"vertical-align:middle;\">+H+![]() 600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060721/sz10snhfujp.jpg\" style=\"vertical-align:middle;\">CO2↑+H2O
|
C
| ![]() 600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060721/5bkyciphkzy.jpg\" style=\"vertical-align:middle;\">
NaOH溶液
氯水
| 溶液由淡黄绿色变为无色
| Cl2+2OH-![]() 600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060721/sz10snhfujp.jpg\" style=\"vertical-align:middle;\">Cl-+ClO-+H2O
|
D
| ![]() 600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060721/uzd3nzvphlu.jpg\" style=\"vertical-align:middle;\">
H2SO4加有
酚酞的Ba(OH)2
溶液
| 有白色沉淀生成,溶液由红色变为无色
| Ba2++OH-+H++S![]() 600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060721/pd0wfqzto02.png\" style=\"vertical-align:middle;\">![]() 600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060721/sz10snhfujp.jpg\" style=\"vertical-align:middle;\">BaSO4↓+H2O
?
3、选择题 下列反应的离子方程式正确的是????????????????????????????????（???）
A．NH4HCO3溶液与过量NaOH溶液反应：NH+4+OH-=NH3↑+H2O
B．铜溶解于稀硝酸中：Cu+4H++2NO-3=Cu2++2NO2↑+2H2O
C．向氨水中滴入盐酸：H++OH-=H2O
D．碳酸氢钠溶液与足量氢氧化钡溶液混合：HCO-3+Ba2++OH-=BaCO3↓+H2O
4、选择题 下列反应的离子方程式书写正确的是（??）??
①亚硫酸钠溶液中加入硝酸：SO32－+ 2H+ = H2O + SO2↑
②铜片跟浓硝酸反应：Cu + 2NO3－+4H+?Cu2++2NO2↑+2H2O
③向Ba(OH)2溶液中逐滴加入NH4HSO4溶液至刚好沉淀完全：
Ba2++2OH-+H++ SO42- + NH4+= BaSO4↓+ NH3?H2O+H2O
④0.1molFeBr2中通入0.1molCl2：2Fe2＋＋4Br－＋3Cl2＝2Fe3＋＋2Br2 ＋6Cl－
⑤硫化钠的水解：S2－+ 2H2O![]() 600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060720/2m2pb14h2yh.png\" style=\"vertical-align:middle;\">H2S + 2OH－
A．①②
B．②③
C．③④
D．④⑤
5、选择题 下列离子方程式书写正确的是
A．实验室用氯化铵和熟石灰制氨：NH![]() 600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060720/25pf5lwuktc.gif\" style=\"vertical-align:middle;\">+ OH－![]() 600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060720/4s0lcgfynfq.jpg\" style=\"vertical-align:middle;\">NH3↑+H2O
B．NaOH与NH4Cl溶液混合加热：NH![]() 600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060720/25pf5lwuktc.gif\" style=\"vertical-align:middle;\">+ OH－![]() 600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060720/4s0lcgfynfq.jpg\" style=\"vertical-align:middle;\">NH3·H2O
C．氨水中加盐酸：NH3·H2O+H+=\"=\" NH![]() 600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060720/25pf5lwuktc.gif\" style=\"vertical-align:middle;\">+H2O
D．氨水中通入少量CO2：CO2+2NH3·H2O=\"==\" 2NH![]() 600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060720/25pf5lwuktc.gif\" style=\"vertical-align:middle;\">+CO![]() 600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060720/g4xo0auswwc.gif\" style=\"vertical-align:middle;\">+ H2O
|
