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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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Most popular questions from this chapter

Question:Ethanolamine ammonia lyase, a coenzyme B12–requiring enzyme, catalyzes the following reaction. Propose a mechanism for this reaction

Predict the approximate bond angle in

  1. The methyl cation
  2. The methyl radical
  3. The methyl anion

a. What are the relative bond lengths and strengths of the bonds in Cl2 and Br2 ?

b. What are the relative lengths and strengths of carbon-halogen bonds in CH3F,CH3Cl and CH3Br ?

Which of the following molecules would you expect to have a dipole moment of zero? To answer parts g and h, you may need to review the Problem Solving Strategy on p. 39.

a. Which of the following has a polar covalent bond?

b. Which of the following has a bond closest to the ionic end of the bond spectrum?

CH3NH2 CH3CH3 CH3F CH3OH

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