MCQ
Sugar can be tested in urine by
- AMolisch test
- BDunstan's test
- ✓Benedict's test
- DLegal's test
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$(II)\,\, H_2O_2 + Ag_2O \rightarrow 2Ag + H_2P + O_2$
Role of hydrogen peroxide in the above reactions is respectively
$Mn_{(S)} | Mn^{+2}_{(aq)} (0.4\,M) | | Sn^{+2}_{(aq)} (0.04\,M)| Sn_{(S)}$,
Calculate free energy change $\left( {\Delta G} \right)$ at $298\, K.$ .......... $\mathrm{kJ}$
Given : $E_{M{n^{ + 2}}/Mn}^o = - 1.18\,V ; \,E_{S{n^{ + 2}}/Sn}^o = - 0.14\,{\rm{volt}}\,\frac{{2.303RT}}{F}=0.06$