The aqueous solution of sugar does not conduct electricity. However, when sodium chloride is added to water, it conducts electricity. How will you explain this statement on the basis of ionization and how is it affected by the concentration of sodium chloride?
The aqueous solution of sugar does not conduct electricity because it does not dissociate into free ions in the solution and remains as molecules in water, not as ions, therefore, it is called a non-electrolyte, while in the case of NaCl it ionizes into sodium ion (Na+) and chloride ion (Cl-) in water which conducts electricity. NaCl has a dissociation rate of 100 i.e. it ionizes completely in water. Conductance depends on the no. of ions present in the solution. More will the no. of ions of NaCl in water more will be the conductivity.
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