MCQ
Which ion is not coloured
- A$C{r^{3 + }}$
- B$C{o^{2 + }}$
- C$C{r^{2 + }}$
- ✓$C{u^ + }$
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$'X'\,\,\xrightarrow{{water}}$ Insoluble
$'X'\xrightarrow{{5\% \,HCl}}$ Insoluble
$'X'\xrightarrow{{10\% \,NaOH}}$ Insoluble
$'X'\xrightarrow{{10\% \,NaHC{O_3}}}$ Insoluble
Above conversion can be achieved by