Question
Question: The solubilities of carbonates decrease down the magnesium group due to a decrease in...
The solubilities of carbonates decrease down the magnesium group due to a decrease in
A
Hydration energies of cations
B
Inter ionic interaction
C
Entropy of solution formation
D
Lattice energies of solids.
Answer
Hydration energies of cations
Explanation
Solution
The solubility of the alkaline earth metal carbonates decreases down the group from Mg to Ba. This is because of the fact that down the group with increasing size of cation the lattice energy as well as hydration energy also decrease but the change in hydration energy is more as compare to that of lattice energy