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505086520

木虫 (小有名气)

[求助] 铬的价态稳定性

常见的铬为+3,那+1和+2是不是应为不稳定所以不常见啊?
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七月初三0819

至尊木虫 (著名写手)

【答案】应助回帖

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505086520: 金币+1 2013-11-01 11:13:55
505086520: 金币+1 2013-11-01 11:14:33
3,6价是稳定的。1,2价不常见。从电极电势图可以看出是否稳定
2楼2013-10-30 10:55:59
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deng神之刺客

木虫 (小有名气)

【答案】应助回帖

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505086520: 金币+1 2013-11-01 11:14:43
铬在化合态时3、6价稳定,2价是把金属态铬投入盐酸中可得,但不稳定,其他的价态像1、4、5都不稳定
3楼2013-10-30 20:19:35
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