MCQ
Finely divided iron combines with $CO $ to give
- ✓$Fe{(CO)_5}$
- B$F{e_2}{(CO)_9}$
- C$F{e_2}{(CO)_{12}}$
- D$Fe{(CO)_6}$
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| Metal | $Li$ | $Na$ | $K$ | $Mg$ | $Cu$ | $Ag$ | $Fe$ | $Pt$ | $W$ |
| $\phi( eV )$ | $2.4$ | $2.3$ | $2.2$ | $3.7$ | $4.8$ | $4.3$ | $4.7$ | $6.3$ | $4.75$ |
|
principal quantum number $(n)$ |
azimuthal quantum number $(l)$ |
magnetic quantum number $(m)$ |
image $\xrightarrow{{[O]}}A\xrightarrow{{SOC{l_2}}}B\xrightarrow{{Na{N_3}}}C\xrightarrow{{{\text{Heat}}}}D$