Question
What is the principle of adsorption chromatography? Explain column chromatography and thin layer chromatography with diagram.
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$\text{NH}_2\text{CN}(\text{g}) +\frac{3}{2}\text{O}_2 (\text{g})\xrightarrow{ \ \ \ \ \ \ } \text{N}_2(\text{g}) + \text{CO}_2(\text{g}) + \text{H}_2\text{O}(\text{l})$
| | NaHCO3(s) | Na2CO3(s) | CO2(g) | H2O(g) |
| $\ \ \ \ \Delta_\text{f}\text{H}^\circ\$\text{kJ mol}^{-1})$ | -947.7 | -1130.9 | -393.51 | -241.82 |
| $\ \ \ \ \ \text{S}^\circ_\text{m}\$\text{J mol}^{-1})$ | 102.1 | 136 | 188.83 | 213.74 |