MCQ
The halogen which get easily reduced that is :
- ✓$F _2$
- B$Cl _2$
- C$Br _2$
- D$I _2$
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$\begin{array}{*{20}{c}}
{C{H_3}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,C{H_3}\,\,\,\,\,\,\,\,\,\,}\\
{|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,}\\
{C{H_3} - C{H_2} - C = C - CH - C - C{H_2} - C{H_2} - C{H_3}}\\
{|\,\,\,\,\,\,\,\,\,}\\
{{C_2}{H_5}}
\end{array}$
$(I)\,[Xe]\, 6s^1$ $(II)\,[Xe]\,4f^{14}\,5d^1\,6s^2$
$(III)\,[Ar]\,4s^2\,4p^5$ $(IV)\,[Ar]\,3d^7,\,4s^2$
Select the incorrect statement about these elements