MCQ
Sodium nitroprusside when reacts with solution of $Na_2S$, produces
- A$Na_2[Fe(CN)_5(NOS)]$
- B$Na_4[Fe(CN)_5 (NOS)]$
- C$[Fe(H_2O)_5 NO]SO_4$
- ✓$Na_2[Fe(CN)_5 NO]$
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Complex $-$ Number of unpaired electrons
$\mathrm{Eu}^{3+}, \mathrm{Lu}^{3+}, \mathrm{Nd}^{3+}, \mathrm{La}^{3+}, \mathrm{Sm}^{3+}$
$F{e^{ + 2 }} + 2{e^ - }\, \to \,Fe\,;\,\,\,\,{E^o} = - 0.440\,V$
$F{e^{ + 3 }} + 3{e^ - }\, \to \,Fe\,;\,\,\,\,{E^o} = - 0.036\,V$The standard electrode potential $({E^o})$ for$F{e^{ + 3 }} + {e^ - } \to \,F{e^{ + 2 }}$ is .............. $\mathrm{V}$