MCQ
Which of the following ions gives coloured solution
- A$C{u^ + }$
- B$Z{n^{ + 2 }}$
- C$A{g^ + }$
- ✓$F{e^{ + 2 }}$
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$C{H_3} - C \equiv N\xrightarrow[{E{t_2}O}]{{C{H_3}Mgl}}\xrightarrow{{{H_3}{O^ \oplus }}}$