MCQ
The species which has four unpaired electron is
- A$[Co(CN)_6]^{4-}$
- B$[Cr(H_2O)_6)^{3+}$
- ✓$[FeCl_4]^{2-}$
- D$[Fe(H_2O)_6)^{3+}$
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$\begin{array}{*{20}{c}}
{C{H_3} - CH - COOH} \\
{|\,\,\,\,\,\,\,\,\,\,\,\,\,} \\
{OH\,\,\,\,\,\,\,\,\,}
\end{array}\xrightarrow{\Delta }[Y]$
$[Y]$ will be :
