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Grade 12th passInorganic Chemistry

Compare the solubility and thermal stability of the following compounds of the alkali metals with those of the alkaline earth metals.
Carbonates

Profile image of Harshit Singh
5 Years agoGrade 12th pass
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1 Answer

Profile image of Pawan Prajapati
5 Years ago
Answer ::

Carbonates of group 1 elements are soluble in water except Li2CO3 They are also thermally stable except Li2CO3.

Group 2 carbonates are insoluble in water because their Lattice energy are higher than hydration energy.
Thermal stability of carbonates of group 2 increases down the group because Lattice energy goes no increasing due to increase in ionic character.

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