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Using this image as a model, RANK the conductivity of these solutions from best conductor to best insulator

ethanol
sugar water solution
ammonium nitrate solution,NH4NO3

1 answer

To rank the conductivity of the solutions from best conductor to best insulator, we need to consider the ionic nature of each solution:

  1. Ammonium Nitrate Solution (NH4NO3): This solution will be the best conductor. Ammonium nitrate is a salt that dissociates in water to produce ammonium (NH4+) and nitrate (NO3-) ions, which carry electric current.

  2. Sugar Water Solution: Sugar (sucrose) is a non-ionic solute, meaning it does not dissociate into ions in solution. Therefore, it has low conductivity but is still better than pure ethanol.

  3. Ethanol: Ethanol is a poor conductor of electricity because it does not produce ions in solution. It is more of an insulator compared to the sugar water and ammonium nitrate solutions.

Ranking from best conductor to best insulator:

  1. Ammonium Nitrate Solution (NH4NO3)
  2. Sugar Water Solution
  3. Ethanol