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Aromaticity in Organic Compounds Quiz

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Questions and Answers

What type of reaction does benzene typically undergo?

Electrophilic Addition

Free Radical Reaction

Nucleophilic Substitution

Electrophilic Aromatic Substitution (correct)

What is the correct IUPAC nomenclature for the compound 2,5-Dibromophenol?

2,5-Dibromoaniline

2,5-Dibromobenzoic acid

2,5-Dibromophenol (correct)

2,5-Dibromobenzene

What is the mechanism of electrophilic aromatic substitution reactions?

Two-step mechanism (correct)

One-step mechanism

Free radical mechanism

Multi-step mechanism

What is a necessary condition for a molecule to be aromatic according to Huckel's rule?

Total number of p-electron pairs is odd Signup and view all the answers

Why is cyclobutadiene not aromatic?

It has an even number of pairs of π electrons Signup and view all the answers

What is required for a molecule to have an uninterrupted cloud of π electrons?

Every ring atom must have a p orbital Signup and view all the answers

What is the condition for a molecule to be cyclic?

It has a ring structure Signup and view all the answers

What type of aromatic compounds are composed of two or more aromatic rings joined together?

Polycyclic Aromatic Rings Signup and view all the answers

Why is benzene aromatic?

It has an odd number of pairs of π electrons Signup and view all the answers

Which atom can be part of the structure of a heterocyclic aromatic ring?

Oxygen Signup and view all the answers

Which component commonly found in nature is a part of DNA and RNA?

Purine Signup and view all the answers

What is the IUPAC recommended way to name disubstituted benzenes?

Name the groups in alphabetical order Signup and view all the answers

Which system indicates the position of substituents on a benzene ring using ortho, meta, and para?

Older System of Nomenclature Signup and view all the answers

What is the name for a compound consisting of a benzene ring treated as a substituent?

Mono-substituted Benzene Signup and view all the answers