金属与浓硫酸的反应
人气:223 ℃ 时间:2020-03-26 10:24:05
解答
Zn + H2SO4(稀) —— H2+ZnSO4
Zn + 2H2SO4(浓)—— ZnSO4 + 2H2O+ SO2
Cu + 2H2SO4 (浓)——2 H2 O+ CuSO4 + SO2
铝和铁会钝化,在氢之前的元素(除了铝和钛)都与浓硫酸发生置换反应
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