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Which of the following is a current statement?

(1) Aqueous solutions of $cu^{+}$ and $Zn^{2+}$ are colourless

(2) Aqueous solutions of $cu^{2+}$ and $Zn^{2+}$ are colourless

(3) Aqueous solution of $Fe^{3+}$ is green in colour

(4) Aqueous solution of $MnO_4^{-}$ is colourless

1 Answer

(1) Aqueous solutions of $cu^{+}$ and $Zn^{2+}$ are colourless
answered Nov 7, 2013 by pady_1
 
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Tag:MathPhyChemBioOther
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