Which one of the following properties is not generally exhibited by ionic compounds?

(A) Solubility in water

(B) Electrical conductivity in solid state

(C) High melting and boiling points

(D) Electrical conductivity in molten state

 

Answer.:

  • Ionic compounds conduct electricity with the help of the ions. 
  • When the negative and positive ions are free to move, they conduct electricity. 
  • When in solid state there are no free ions to conduct electricity.
  • In aqueous or molten state, the electrons are free to move about, and hence they conduct electricity.

 

So, the correct answer is (b)

  1. Class 10
  2. Chapter 3 Class 10 - Metals and Non-Metals (Term 1)

About the Author

CA Maninder Singh's photo - Founder at Teachoo
CA Maninder Singh
CA Maninder Singh is a Chartered Accountant for the past 11 years and a teacher from the past 11 years. He teaches Science, Accounts and English at Teachoo