If the dipole moment of CH₃F is 1.847 D and the dipole moment of CD₃F is 1.858 D, which is more electronegative: hydrogen or deuterium?

Which of the following has a polar covalent bond?

CH₃NH₂ CH₃CH₃ CH₃F CH₃OH

Explain why HCl has a smaller dipole moment than HF, even though the H—Cl bond is longer than the H—F bond.

Which of the following has

a. the most polar bond?

b. the least polar bond?

NaI LiBr Cl₂ KCl

Which of the following molecules would you expect to have a dipole moment of zero?

g. BeCl₂

h. BF₃

Account for the difference in the shape and color of the potential maps for ammonia and the ammonium ion in Section 1.11.

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Rank the bonds from most polar to least polar.

d. C—H, C—C, C—N

Rank the bonds from most polar to least polar.

c. H—O, H—N, H—C

Rank the bonds from most polar to least polar.

b. C—Cl, C—I, C—Br