The aqueous solution of $CuCrO_4$ is green because it contains
green $Cu^{2+}$ ions
green $CrO_4^{2-}$ ions
blue $Cu^{2+}$ ions and green $CrO_4^{2-}$ ions
blue $Cu^{2+}$ ions and yellow $CrO_4^{2-}$ ions
$CuSO_4(aq) + 4NH_3 \rightarrow X,$ then $X$ is
Which one of the following does not correctly represent the correct order of the property indicated against it?
The metal ion which does not form coloured compound is
Which of the following alloys contain only $Cu $ and $Zn$
Which ion is not coloured