选择题 下列反应的离了方程式正确的是 ">
时间:2016-12-28 00:57:14
选择题 下列反应的离了方程式正确的是 0; ( )
①亚硫酸钠溶液中加入硝酸:SO600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060704/gtiqzlqimq4.gif\" style=\"vertical-align:middle;\">+2H+=H2O+SO4↑
②澄清石灰水跟稀硝酸反应:Ca(OH)2+2H+=Ca2++2H2O
③向Ba(OH)2溶液中逐滴加入NH4HSO4溶液至刚好沉淀完全
Ba(OH)2+2OH-+SO600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060704/gtiqzlqimq4.gif\" style=\"vertical-align:middle;\">+NH
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060704/ke43q2lbw02.gif\" style=\"vertical-align:middle;\">=BaSO4↓+NH3↑+2H2O
④0.1moleBr2中滴入含Cl2 0.1mol氯水: 2Fe2++4Br-+3Cl2 2Fe3++2Br2+6Cl-
⑤向氢氧化钠溶液中加入少量碳酸氢钙溶液:Ca2++HCO600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060704/25egwtqz4gg.gif\" style=\"vertical-align:middle;\">+ OH-
CaSO3↓+H2O
⑥硫化钠的水解:S2-+2H2O600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060704/s1kwuvloiuz.jpg\" style=\"vertical-align:middle;\">H2S+2OH-
⑦向NaOH溶液中滴加同浓度600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060704/qzm5gnkxlxq.gif\" style=\"vertical-align:middle;\">的少量Ca(HCO3)2溶液:Ca2++HCO
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060704/25egwtqz4gg.gif\" style=\"vertical-align:middle;\">+ OH-=CaCO3↓+H2O
⑧某酚钠溶液中通入少量CO2:2C6H5O-+CO2+H2O→2C6H5OH+CO600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060704/vsuogvso2hi.gif\" style=\"vertical-align:middle;\">
A.③⑤
B.①③
C.③⑤⑥
D.①②④⑥
选择题 下列反应的离了方程式正确的是 60; ( )
①亚硫酸钠溶液中加入硝酸:SO600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060704/gtiqzlqimq4.gif\" style=\"vertical-align:middle;\">+2H+=H2O+SO4↑
②澄清石灰水跟稀硝酸反应:Ca(OH)2+2H+=Ca2++2H2O
③向Ba(OH)2溶液中逐滴加入NH4HSO4溶液至刚好沉淀完全
Ba(OH)2+2OH-+SO600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060704/gtiqzlqimq4.gif\" style=\"vertical-align:middle;\">+NH
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060704/ke43q2lbw02.gif\" style=\"vertical-align:middle;\">=BaSO4↓+NH3↑+2H2O
④0.1moleBr2中滴入含Cl2 0.1mol氯水: 2Fe2++4Br-+3Cl2 2Fe3++2Br2+6Cl-
⑤向氢氧化钠溶液中加入少量碳酸氢钙溶液:Ca2++HCO600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060704/25egwtqz4gg.gif\" style=\"vertical-align:middle;\">+ OH-
CaSO3↓+H2O
⑥硫化钠的水解:S2-+2H2O600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060704/s1kwuvloiuz.jpg\" style=\"vertical-align:middle;\">H2S+2OH-
⑦向NaOH溶液中滴加同浓度600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060704/qzm5gnkxlxq.gif\" style=\"vertical-align:middle;\">的少量Ca(HCO3)2溶液:Ca2++HCO
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060704/25egwtqz4gg.gif\" style=\"vertical-align:middle;\">+ OH-=CaCO3↓+H2O
⑧某酚钠溶液中通入少量CO2:2C6H5O-+CO2+H2O→2C6H5OH+CO600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060704/vsuogvso2hi.gif\" style=\"vertical-align:middle;\">
A.③⑤
B.①③
C.③⑤⑥
D.①②④⑥
本题答案:A
本题解析:略
本题所属考点:【离子方程式的书写及正误判断】
本题难易程度:【一般】