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Hyperconjugation in Organic Chemistry

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Questions and Answers

Which type of orbitals are primarily involved in hyperconjugation?

Non-bonding p orbitals

Sigma (σ) orbitals (correct)

Pi (π) orbitals

Antibonding σ* orbitals

What is the term for the interaction between low-lying antibonding σ* orbitals and filled orbitals of lone pair character in hyperconjugation?

Resonance

Positive hyperconjugation

Delocalization

Negative hyperconjugation (correct)

What effect does hyperconjugation have on the stability of a molecule?

Decreases stability

Depends on the specific molecule

Increases stability (correct)

Has no effect on stability

Which type of bonds can have a direct stabilizing effect through hyperconjugation?

Sigma (σ) bonds Signup and view all the answers

What is another term for hyperconjugation?

No-bond resonance Signup and view all the answers

Which of the following best describes a nucleophilic substitution reaction?

A reaction in which a nucleophile replaces a functional group in an electron-rich molecule Signup and view all the answers

What is the role of the leaving group in a nucleophilic substitution reaction?

The leaving group departs with an electron pair Signup and view all the answers

Which of the following is true about the nucleophile in a nucleophilic substitution reaction?

The nucleophile can be either electrically neutral or negatively charged Signup and view all the answers

What is the principal product of a nucleophilic substitution reaction?

The nucleophile Signup and view all the answers

Which of the following is an example of a nucleophilic substitution reaction?

The hydrolysis of an alkyl bromide under acidic conditions Signup and view all the answers