Multiple choice

Potassium compounds have high water solubility due to

  1. low hydration energy of K+ ion

  2. low ionisation energy of K+ ion

  3. high hydration energy of K+ ion

  4. high ionisation energy of K+ ion
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Potassium ions have high hydration energy which means that they are highly ionic and dissolve readily in a polar solvent like water and release a great amount of energy which is referred to as hydration energy.

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