实验题 (9分)拟用下图装置制取表中的四种干燥、纯净的气体(图中铁架台、铁夹、加热及气体收集装置均已略去;必要时可以加热;a、b、c、d表示相应仪器中加入的试剂).
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060707/jot53ngsnev.jpg\" style=\"vertical-align:middle;\">
气体
| a
| b
| c
| d
|
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060707/gcluh00snuc.png\" style=\"vertical-align:middle;\">
| 乙醇
| 浓 600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060707/cpdbvfzxfvk.png\" style=\"vertical-align:middle;\">
| 600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060707/5ou5fvrtcbh.png\" style=\"vertical-align:middle;\">溶液
| 浓 600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060707/cpdbvfzxfvk.png\" style=\"vertical-align:middle;\">
|
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060707/ve1vqnmm0tb.png\" style=\"vertical-align:middle;\">
| 浓盐酸
| 600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060707/xjxnt35db1b.png\" style=\"vertical-align:middle;\">
| 600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060707/5ou5fvrtcbh.png\" style=\"vertical-align:middle;\">溶液
| 浓 600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060707/cpdbvfzxfvk.png\" style=\"vertical-align:middle;\">
|
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060707/rxlivuj40v1.png\" style=\"vertical-align:middle;\">
| 饱和 600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060707/dlcckyff4sn.png\" style=\"vertical-align:middle;\">溶液
| 消石灰
| 600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060707/dn3rch2gkz1.png\" style=\"vertical-align:middle;\">
| 固体 600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060707/5ou5fvrtcbh.png\" style=\"vertical-align:middle;\">
|
NO
| 稀 600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060707/lmhagxhzluv.png\" style=\"vertical-align:middle;\">
| 铜屑
| 600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060707/dn3rch2gkz1.png\" style=\"vertical-align:middle;\">
| 600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060707/yh2qu1zwusr.png\" style=\"vertical-align:middle;\">
? (1)上述方法中可以得到干燥、纯净的气体是____________. (2)指出不能用上述方法制取的气体,并说明理由(可以不填满) ①气体____________,理由是____________. ②气体____________,理由是____________. ③气体____________,理由是____________. ④气体__ __________,理由是____________.
实验题 (9分)拟用下图装置制取表中的四种干燥、纯净的气体(图中铁架台、铁夹、加热及气体收集装置均已略去;必要时可以加热;a、b、c、d表示相应仪器中加入的试剂).
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060707/jot53ngsnev.jpg\" style=\"vertical-align:middle;\">
气体
| a
| b
| c
| d
| 600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060707/gcluh00snuc.png\" style=\"vertical-align:middle;\">
| 乙醇
| 浓 600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060707/cpdbvfzxfvk.png\" style=\"vertical-align:middle;\">
| 600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060707/5ou5fvrtcbh.png\" style=\"vertical-align:middle;\">溶液
| 浓 600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060707/cpdbvfzxfvk.png\" style=\"vertical-align:middle;\">
| 600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060707/ve1vqnmm0tb.png\" style=\"vertical-align:middle;\">
| 浓盐酸
| 600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060707/xjxnt35db1b.png\" style=\"vertical-align:middle;\">
| 600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060707/5ou5fvrtcbh.png\" style=\"vertical-align:middle;\">溶液
| 浓 600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060707/cpdbvfzxfvk.png\" style=\"vertical-align:middle;\">
| 600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060707/rxlivuj40v1.png\" style=\"vertical-align:middle;\">
| 饱和 600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060707/dlcckyff4sn.png\" style=\"vertical-align:middle;\">溶液
| 消石灰
| 600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060707/dn3rch2gkz1.png\" style=\"vertical-align:middle;\">
| 固体 600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060707/5ou5fvrtcbh.png\" style=\"vertical-align:middle;\">
| NO
| 稀 600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060707/lmhagxhzluv.png\" style=\"vertical-align:middle;\">
| 铜屑
| 600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060707/dn3rch2gkz1.png\" style=\"vertical-align:middle;\">
| 600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060707/yh2qu1zwusr.png\" style=\"vertical-align:middle;\">
? (1)上述方法中可以得到干燥、纯净的气体是____________. (2)指出不能用上述方法制取的气体,并说明理由(可以不填满) ①气体____________,理由是____________. ②气体____________,理由是____________. ③气体____________,理由是____________. ④气体____________,理由是____________.
本题答案:(1)NO (2)① 600)makesmallpic(this,600,1800);\' src=\"http://www 本题解析:(1)制取乙烯需要温度计控制温度170℃,所以根据装置图可判断,不能制得纯净的乙烯;氯气能被氢氧化钠溶液吸收,所以无法收集到氯气;氨气极易溶于水,如果用水,则生成的氨气被是完全吸收,得不到氨气,所以只能制取的是NO。
本题所属考点:【气体的净化、干燥、吸收与收集】 本题难易程度:【一般】
What\'s man\'s first duty? The answer\'s brief: To be himself. 人的第一天职是什么?答案简单:不伪饰自己.
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