Question
Explain the limitations of valence bound theory.
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| Column I | Column II | ||
| i. | Raoult’s law | a. | $\Delta\text{T}_\text{f}=\text{K}_\text{f}\text{m}$ |
| ii. | Henry’s law | b. | $\pi=\text{CRT}$ |
| iii. | Elevation of boiling point | c. | $\text{p}=\text{x}_1\text{p}^0_1+\text{x}_2\text{p}^0_2$ |
| iv. | Depression in freezing point | d. | $\Delta\text{T}_\text{b}=\text{K}_\text{b}\text{m}$ |
| v. | Osmotic pressure | e. | $\text{p}=\text{K}_\text{H}\cdot\text{x}$ |
(Kf for CS2 = 3.83 K kg mol–1, Atomic mass of Sulphur = 32 g mol–1]
| | Column I | | Column II |
| (i) | Oxidation state of Mn in MnO2 is | (a) | +2 |
| (ii) | Most stable oxidation state of Mn is | (b) | +3 |
| (iii) | Most stable oxidation state of Mn in oxides is | (c) | +4 |
| (iv) | Characteristic oxidation state of lanthanoids is | (d) | +5 |
| (e) | +7 |