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Chapter 1: Q-1-35P (page 2)

Compare the electrostatic potential maps for methane, ammonia and water. Which is the most polar molecule? Which is the least polar?

Short Answer

Expert verified

Water is the most polar molecule and ammonia is the least polar molecule.

Step by step solution

01

Definition of potential maps

Potential maps are a representation of charge distributions in a molecule. It consists of different colors which signify different charge densities. Red is for the most negative electrostatic potential and blue stands for the most positive electrostatic potential.

02

Comparing the polarity of ammonia, methane, and water.

Methane is non-polar while the other two water and ammonia molecules are polar in nature. So now comparing the polarity of ammonia and water. As the electronegativity difference between oxygen and hydrogen is maximum thus water molecule is the most polar. On the other hand, the electronegativity difference between nitrogen and hydrogen is comparatively lower and thus less polar in nature.

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