MCQ
An electrolyte
- AForms complex ions in solution
- BGives ions only when electricity is passed
- ✓Possesses ions even in solid state
- DGives ions only when dissolved in water
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$Z{n^{2 + }} + 2{e^ - } \to Zn$ ; $E = - 7.62\,\,V,$
$F{e^{2 + }} + 2{e^ - } \to Fe$ ; $E = - 7.81\,\,V$
The emf of the cell $F{e^{2 + }} + Zn \to Z{n^{2 + }} + Fe$ is ............ $\mathrm{V}$
Calculate $\Delta {T_b}$ if ${K_f} = 1.86$ and ${K_b} = 0.521$.