MCQ
If for a sucrose solution elevation in boiling point is $0.1\,^o C$ then what will be the boiling point of $NaCl$ solution for same molal concentration .......... $^oC$
- A$0.1$
- ✓$0.2$
- C$0.08$
- D$0.01$
$\Delta T_b \propto n$
For sucrose,$ n = 1, \Delta Tb = 0.1\,^o C$
For $ NaCl, n = 2, \Delta Tb = 0.2\,^o C$
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$2 Fe _{( s )}+ O _{2( g )}+4 H _{( aq )}^{+} \rightarrow 2 Fe _{( aq )}^{2^{+}}+2 H _2 O ( l ) \quad E ^{\circ}=1.67 V$, At $\left[ Fe ^{2+}\right]=10^{-3} M , P \left( O _2\right)=0.1$ atm and $pH =3$, the cell potential at $25^{\circ} C$ is

