MCQ
The solution of sugar in water contains
- AFree atoms
- ✓Free molecules
- CFree ions
- DFree atoms and free molecules
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$\begin{array}{*{20}{c}}
{\,\,C{H_3}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,C{H_3}} \\
{|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|\,\,} \\
{C{H_3} - CH - CH - CH - C{H_3}} \\
{\,|\,\,\,} \\
{\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,C{H_2} - C{H_3}\,\,\,\,\,\,}
\end{array}$
$C{H_{4(g)}} + 2{O_{2(g)}} \to C{O_{2(g)}} + 2{H_2}{O_{(g)}}$
| Name according to IUPAC nomenclature | IUPAC offficial Name |
| (A) Ununoctium | Oganesson |
| (B) Ununnillium | Darmstadtium |
| (C) Unniltrium | Lawrencium |
| (D) Unnilseptium | Dubnium |


$Fe^{3+} + e \to Fe^{2+}\, ;\, E^o = 0.771\,volt$
$I_2 + 2e \to 2I^-\, ;\, E^o = 0.536\,volt$
$E^o$ cell for the cell reaction
$2Fe^{3+} + 2I^-\to 2Fe^{2+}+ I_2$ is