how many compounds show conductvity 
HCl (aq)
​HCl (molten)
AlCl​3 molten
AlFmolten
graphite 
Na solid
AlCl3 (aq)
 

1. Electricity is conducted by either freely moving charges ions or freely moving electrons.
2. So,in HCl(aq) has ions H+ and Cl-,AlCl3 (aq) has ions Al3+ and Cl- , Graphite and Na metal has free moving electrons. So,they all conduct electricity.
3. But molten state does not conduct electricity because no free electrons or ions are there.

  • -7
HCl(aq),graphite,AlCl3 ,Na
  • -4
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