why solid sodium does not conduct electricity while sodium chloride solution conducts????
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Sodium chloride in solution ionizes to form sodium and chlorine ions,these ions are responsible for conducting electricity.In solid sodium and chlorine ions are held together strongly in a crystal.
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The essential requirement for conducting electricity is presence of free electrons or mobile/free ions.
NaCl (common salt) is solid in state and solid ions or compounds don'tconduct electricity. It needs to be either melted, molten or dissolved in asolution (i.e. water) first. This isbecause the electrons in a solid state won't be free to move to either the Cathode (-ve) or to the Anode (+ve).
NaCl (common salt) is solid in state and solid ions or compounds don'tconduct electricity. It needs to be either melted, molten or dissolved in asolution (i.e. water) first. This isbecause the electrons in a solid state won't be free to move to either the Cathode (-ve) or to the Anode (+ve).
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