Choose the correct answer:
Which of the following is not a common characteristic of an electrovalent compound?
(a) High melting point.
(b) Conducts electricity when molten.
(c) Consists of oppositely charged ions.
(d) Ionises when dissolved in water.
Disclaimer: The correct answer is given by none of the above options. The common characteristics of electrovalent compounds are:
(i) They are generally solid.
(ii) They have high melting and boiling points.
(iii) They conduct electricity in molten and aqueous states.
(iv) They ionise upon dissolution in water.
(v) Chemical reactions involving electrovalent compounds are generally very fast.