Consider the following compound:

Classify these compounds as one of the following:

• An alkyl halide
• An aryl halide
• A vinyl halide

For the nitrogen-containing compounds given below, classify the functional group and write an appropriate IUPAC name.

(i) Draw the structures of all brominated benzenes having from one to six bromine atoms.
(ii) Name all the structures from part (i).

Write the corresponding structure for each of the names shown below.

(i) m-nitroanisole

(ii) 2,3-dimethoxyphenol

(iii) m-aminobenzoic acid

Give the appropriate name for each of the compounds shown below.

Shown below is the MO energy diagram of a cyclooctatetraene derivative. Does the MO energy diagram correspond to a stable or unstable configuration? Provide a brief explanation for your answer.

Determine whether the molecule shown below is aromatic, antiaromatic, or nonaromatic. If it is aromatic, calculate its n from Hückel's rule. If not, explain how it violates the aromaticity requirements.

Is the molecule below nonaromatic, antiaromatic, or aromatic? If the molecule is aromatic, calculate its n in Hückel’s rule. If not, identify which aromaticity rule it breaks.

Is the anion below nonaromatic, antiaromatic, or aromatic? If it is aromatic, what is its n in Hückel's rule? If not, explain the aromaticity rule it breaks.

Determine if the cation below is aromatic, antiaromatic, or nonaromatic. If it is aromatic, determine its n in Hückel's rule. If not, explain how it breaks the aromaticity rule.

Which of these are aromatic structures?

Which resonance structure contributes more to the resonance hybrid of 7-(cyclohexa-2,5-dien-1-ylidene)cyclohepta-1,3,5-triene, A or B?

Identify each of the compounds shown below as nonaromatic, antiaromatic, or aromatic. Provide a brief explanation for your answer.