AIPMT 2008 Main Mock Test

Standard free energies of formation at $298\text{K}$ are $-237.2,-394.4$ and $-8.2$ for ${\text{H}}_2\text{O}(l),{\text{CO}}_2(g)$ and pentane $(g)$ respectively. The value of $E_{\text{cell}}^{\circ }$ for the pentane-oxygen fuel cell is:

The dissociation equilibrium of a gas ${\text{AB}}_2$ is ${\text{2AB}}_2(g)\rightleftharpoons \text{2AB}(g)+{\text{B}}_2(g)$. The expression relating degree of dissociation ($x$) with $K_P$ and total pressure $P$ is:

The sequence of ionic mobility in aqueous solution is:

Percentage of free space in a body centred cubic unit cell is:

The correct order of decreasing second ionisation enthalpy of $\text{Ti}(22),\text{V}(23),\text{Cr}(24)$ and $\text{Mn}(25)$ is: