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feifei19810812

金虫 (职业作家)

[求助] SOS,单质碘遇光会发生反应吗?会发生什么样的反应呢?

RT:
谢谢!
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ZBPJJ529810

至尊木虫 (知名作家)

铸剑堂堂主


【答案】应助回帖

★ ★ ★ ★
感谢参与,应助指数 +1
feifei19810812: 金币+3, ★★★很有帮助 2012-10-08 20:14:21
fds329: 金币+1, 感谢应助。辛苦了O(∩_∩)O 2012-10-17 08:11:11
光照下卤素分子发生离解:X2=X+X,产生活性很高的自由基。

[ 发自手机版 http://muchong.com/3g ]
2楼2012-10-07 20:40:39
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jiagle

专家顾问 (知名作家)

【答案】应助回帖

★ ★ ★ ★ ★ ★
感谢参与,应助指数 +1
feifei19810812: 金币+2, ★★★很有帮助 2012-10-08 20:14:35
fds329: 金币+2, 感谢回帖 2012-10-17 08:11:33
fds329: 金币+2, 感谢应助。辛苦了O(∩_∩)O 2012-10-17 08:11:52
确实,碘单质光照下容易离解成原子碘,必须是特定波长范围内(分子光谱是带谱)的光才具有此作用。
不过,平时碘保存在棕色瓶中则是因为碘易挥发(升华)。
3楼2012-10-08 07:55:36
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