Benzene and Aromatics Lesson

Aromatic compounds are polar and insoluble in water. Is the statement true or false?

• True

• False

Aromatic compounds usually undergo which type of reaction?

• Electrophilic substitution reaction

• Electrophilic addition reaction

• Nucleophilic substitution reaction

• Nucleophilic addition reaction

What is the accepted current view of the model for bonding in benzene?

• Delocalised model
• Kekule structure
• Resonance structure
• Arrhenius structure

What is the C-C Bond angle in benzene?

• 120⁰
• 120⁰ & 109.5⁰
• 109.5⁰
• 104.5⁰ & 120⁰

What is true about C-C  bond lengths in benzene?

• alternative longer and shorter length
• All the same length 
• All different length
• two are the same length and the third one is different

Which of the following transformations could be feasibly carried out in a single step using the Friedel–Crafts alkylation?

• A
• B
• C
• D

Which of these best describes the bonding in 60 characters or less?

• the p-orbitals overlap to make a pi- bond
• the electrons are delocalised ring
• p-orbitals ovelap above and below plane and form 2 delocalised rings
• p-orbitals ovelap above and below plane and form a delocalised ring

2. The reaction mechanism shown below is incomplete. What would be a correct addition to this mechanism?

• a curly arrow from Cl⁺ to the benzene ring

• a curly arrow from the displayed C–H bond, into the ring, in the intermediate

• an aromatic ring in the C₆ ring in the intermediate

• HCl  as a product in the final step

Tags

NGSS.HS-PS1-2

Which will not result in a reaction?

• C₆H₅OH + Br₂

• C₆H₅OH + NaOH

• C₆H₅OH + Na₂CO₃

• C₆H₅OH + HNO₃/H₂SO₄

Tags

NGSS.HS-PS1-2

Which is the correct product formed from the bromination of nitrobenzene?

• 
• 
• 
• 

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2