MCQ
An ionic compound is generally a
- ✓Good electrolyte
- BWeak electrolyte
- CNon-electrolyte
- DNeutral
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$Mn_{(S)} | Mn^{+2}_{(aq)} (0.4\,M) | | Sn^{+2}_{(aq)} (0.04\,M)| Sn_{(S)}$,
Calculate free energy change $\left( {\Delta G} \right)$ at $298\, K.$ .......... $\mathrm{kJ}$
Given : $E_{M{n^{ + 2}}/Mn}^o = - 1.18\,V ; \,E_{S{n^{ + 2}}/Sn}^o = - 0.14\,{\rm{volt}}\,\frac{{2.303RT}}{F}=0.06$
| Column $I$ | Column $II$ |
| $(A)$ $\mathrm{Cu}+$ dil $\mathrm{HNO}_3$ | $(p)$ NO |
| $(B)$ $\mathrm{Cu}+$ conc $\mathrm{HNO}_3$ | $(q)$ $\mathrm{NO}_2$ |
| $(C)$ $\mathrm{Zn}+$ dil $\mathrm{HNO}_3$ | $(r)$ $\mathrm{N}_2 \mathrm{O}$ |
| $(D)$ $\mathrm{Zn}+$ conc $\mathrm{HNO}_3$ | $(s)$ $\mathrm{Cu}\left(\mathrm{NO}_3\right)_2$ |
| $(t)$ $ \mathrm{Zn}\left(\mathrm{NO}_3\right)_2$ |