Solubility of which among the following substances in water increases slightly with rise in temperature ?

Question

Solubility of which among the following substances in water increases slightly with rise in temperature ? (A) Potassium bromide (B) Potassium chloride (C) Potassium nitrate (D) Sodium nitrate

Tardigrade Admin · Accepted Answer

KCl has large hydration energy than its lattice energy, so it evolves energy on dissolving in water. Consequently, with rise in temperature, its solubility increases.

Q. Solubility of which among the following substances in water increases slightly with rise in temperature ?

Potassium bromide

Potassium chloride

Potassium nitrate

Sodium nitrate

$K Cl$ has large hydration energy than its lattice energy, so it evolves energy on dissolving in water. Consequently, with rise in temperature, its solubility increases.