Question

Which of the following should NOT break up into, or form, ions when dissolved in water?

Acids, such as HCl


Bases, such as NaOH


Ionic compounds such as NaCl


Molecular compounds such as H2O

Answer 1

Even though this question might seem too complicated, the correct answer is hiding in the last option from the scale represented above :
Molecular compounds such as H2O. As all we know, water will dissolve in water, although won't break into ions. Hope it helps!