Which of the following compounds do not contain covalent bond?
How many covalent bonds are present in the following compounds?
(i) CO2
(ii) H2O
(iii) CH4
(iv) N2
(v) NH3
(a) Explain why ionic compounds conduct electricity in solution whereas covalent compounds do not conduct electricity. (b) Which of the following will conduct electricity and which not? MgCl2,CCl4,NaCl,CS2,Na2S Give reasons for your choice.