Question

Differentiate covalent and electrovalent compounds.
Why is solid NaCl insulator but aqueous solution of it is not?​

Answer 1

Answer:

Electrovalent compounds are formed by complete rtransfer of electrons while covalent compounds are formed by sharing of electrons between 2 atoms. 2) Electrovalent compounds are more soluble in polar solvents like water while covalent compounds are more soluble in non polar solvents like methane

In solid NaCl, the ions have fixed positions in the lattice structure and there are no free ions but in aqueous solution or molten state, the ions can move freely and thus conduct electricity