d and f-Block ElementsEasy
Question
A pink coloured salt turns blue on heating. The presence of which cation is most likely ?
Options
A.Co2+
B.Cu2+
C.Zn2+
D.Fe2+
Solution
Zn2+ salts are white usually Fe2+ salts are rarely pink. Cu2+ salts are usually blue in hydrated form. Co2+ is
pink in aqueous solution.
pink in aqueous solution.
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