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Tiana Kshlerin

Feb 20, 2025

Which cation forms a colorless aqueous solution?(A) Co2+ (B) Ni2+ (C) Cu2+ (D) Zn2+?

Which cation forms a colorless aqueous solution?(A) Co2+ (B) Ni2+ (C) Cu2+ (D) Zn2+
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The Zn2+ ion has all the d electrons paired since it has an electronconfiguration of [Ar]3d10. All of the other ions have unpaired d electrons which can absorb energy in the visible region and be promoted to a higher energy state.... Show More
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