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化学
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铁与硫反应,1mol铁失去的电子数为2N
A
.______(判断对错),理由______.
人气:357 ℃ 时间:2020-01-29 04:59:51
解答
硫单质是弱氧化剂,只能将变价金属氧化到低价态,铁与硫反应,Fe+S
△
.
FeS,铁从0价变为+2价,1mol铁失去2mol电子,电子数为N=n×N
A
=2N
A
,
故答案为:正确;硫单质是弱氧化剂,只能将变价金属氧化到低价态;
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