Q27 of 400 Page 168

Which of the following will conduct electricity and which not?

MgCl2, CCl4, NaCl, CS2, Na2S Give reasons for your choice.

Electricity conductor:-

MgCl2, NaCl, Na2S (Ionic compounds)


Non-conductor of electricity:-


CCl4, CS2 (Covalent compounds).



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26 State one test by which sodium chloride can be distinguished from sugar. 27 Explain why, ionic compounds conduct electricity in solution whereas covalent compounds do not conduct electricity. 28 Name one ionic compound containing chlorine and one covalent compound containing chlorine. 28 How will you find out which of the water soluble compound A or B is ionic?