QUESTION IMAGE
Question
what name should be used for the ionic compound cu(no₃)₂?
copper nitrate
copper(i) nitrate
copper(ii) nitrate
copper(iii) nitrate
Brief Explanations
硝酸根离子($NO_3^-$)带一个单位负电荷,化合物$Cu(NO_3)_2$中硝酸根离子有两个,共带两个单位负电荷,根据化合物中正负化合价代数和为零,可知铜离子显+2价。铜元素有+1和+2价等,+2价的铜在命名时称为铜(II) 。所以$Cu(NO_3)_2$名称是硝酸铜(II)。
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copper(II) nitrate