The correct option is(A): MgCO3
Thermal stability order
\({K_2CO_3 > Na_3CO_3 > Ca CO_3 >MgCO_3}\)
Therefore \({MgCO_3}\) releases \({CO_2}\) most easily
\({MgCO_3 ->[\Delta] MgO + CO_2}\)
Match List-I with List-II.
| List - I | List - II | ||
| (a) | Li | (i) | Absorbent for carbon dioxide |
| (b) | Na | (ii) | Electrochemical cells |
| (c) | KOH | (iii) | Coolant in fast breeder reactors |
| (d) | Cs | (iv) | Photoelectric cell |
Choose the correct answer from the options given below:
Among the following alkaline earth metal halides, one which is covalent and soluble in organic solvents is