MCQ
In $Fe(CO)_5$ , the $Fe—C$ bond has
- AIonic character
- B$\sigma -$ character only
- C$\pi -$ character only
- ✓both $\sigma $ and $\pi $ character
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$\mathrm{M}\left|\mathrm{M}^{2+}\right||\mathrm{X}| \mathrm{X}^{2-}$
If $\mathrm{E}_{\left(\mathrm{M}^{2+} / \mathrm{M}\right)}^0=0.46 \mathrm{~V}$ and $\mathrm{E}_{\left(\mathrm{x} / \mathrm{X}^{2-}\right)}^0=0.34 \mathrm{~V}$.
Which of the following is correct?

