MCQ
The relative strength of interionic/ intermolecular forces in decreasing order is
- Aion-dipole > ion-ion > dipole-dipole
- Bdipole-dipole > ion-dipole > ion-ion
- Cion-dipole > dipole-dipole > ion-ion
- ✓ion-ion > ion-dipole > dipole-dipole
Ions are charged species whereas dipoles are partially charged.
$\therefore$ Ion-Ion $\,>\,$ Ion-dipole $\,>\,$ dipole-dipole
Hence, option $d$ is correct.
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$\mathrm{A}(l) \rightarrow 2 \mathrm{B}(\mathrm{g})$
$\Delta \mathrm{U}=2.1\; \mathrm{kcal}, \Delta \mathrm{S}=20\; \mathrm{cal} \mathrm{K}^{-1}$ at $300\; \mathrm{K}$
Hence $\Delta \mathrm{G}$ in $\mathrm{kcal}$ is
$C{l_{2\left( g \right)}} + 3{F_2}_{\left( g \right)} \rightleftharpoons 2C{l_3}_{\left( g \right)};\Delta {H_r} = - 329\,kJ$
Which of the following will increase the quantity of $ClF_3$ in an equilibrium mixture of $Cl_2, F_2$ and $ClF_3$ ?