11. Bonding & Molecular Structure

Draw all possible resonance structures for the chlorate ion, ClO₃^–?

Determine the average charge of the oxygen atoms within the chlorite ion, ClO₂^–.

Determine which of the following drawings would be the best structure for the N₂O molecule.

Which of the following phosphate, PO₄^3- Lewis structures is the best, most valid resonance structure?

Draw all the resonance structures for the following ionic compound:RbIO₂

Draw the Lewis structures for three resonance forms of the nitrate ion, NO3⁻. Include electron lone pairs, and any formal charges.

The formate ion, HCO₂⁻, is formed when formic acid dissolves in water. A number of possible resonance structures for this ion are shown. Which of these structures are valid and which are invalid?

Draw the Lewis structures for three resonance forms of the nitrate ion, NO^-3. Include electron lone pairs, and any formal charges.

What features do all the resonance forms of a molecule or ion have in common?

The molecule shown is propylene, C3H6, which is an important feedstock for the polymer industry. The two carbon–carbon bonds in the molecule are numbered.

a. Does propylene have multiple equivalent resonance structures?

b. Which carbon–carbon bond is the stronger?

c. Which carbon–carbon bond is longer?

The molecule shown is methyl formate, C2H4O2, the simplest example of an organic ester. The three carbon–oxygen bonds in the molecule are numbered. Which of the following statements is or are true?

i. Bond 1 is the strongest carbon–oxygen bond.

ii. Bond 1 is longer than bond 2.

iii. The length of bond 3 is closer in value to that of bond 2 than to that of bond 1.