Which molecule(s) contain(s) no aromatic ring(s)? There may be more than one. NH2 A B C D E

Identify the aromatic compounds. I II III IV I and II III and IV All of the answers are correct. O I, II, and IV

Dr and name all possible aromatic compounds with the formula C8H9Br (There are 14)

Determine if the following compounds are aromatic, non-aromatic, or anti-aromatic. Show a structure that helps to support your classification. This structure should not just redraw the compound; show lone pairs, resonance, and/or contributing π bonds as part of your explanation.

Molecule A Molecule B Molecule A Molecule C Molecule D H₂C: Molecule C Which of the compounds shown is aromatic? CH₂ Molecule B Molecule D

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From what we know today, what do the two Kekulé structures for benzene really represent? August Kekulé was the first person to propose a viable structure for benzene in 1865. Structures that can be separated at low enough temperatures (near absolute zero). Structures that are in a state of rapid equilibrium. O Structures that are in resonance. Structures that are conjugated trienes (--C=C--C%3DC--C3C--).

QUESTION 7 Which of the following is not true about anti-aromatic molecules? Anti-aromatic molecules must have 4N+2 pi electrons where N = 0, 1, 2, 3.... Anti-aromatic molecules must be cyclic Anti-aromatic molecules have to be planar Anti-Aromatic molecules are unstable compared to non-aromatic molecules

For each of the following compounds and ions,1. Draw a Lewis structure.2. Show the kinds of orbitals that overlap to form each bond.3. Give approximate bond angles around each atom except hydrogen.(a) [NH2]- (b) [CH2OH]+ (c) CH2“N¬CH3(d) CH3¬CH“CH2 (e) HC‚C¬CHO (f) H2N¬CH2¬CN