What Intermediate Is Thought to Occur in the Elimination-Addition Nucleophilic

question 46

Multiple Choice

What intermediate is thought to occur in the elimination-addition nucleophilic aromatic substitution mechanism?

• A) radical anion
• B) radical cation
• C) quinone
• D) benzyne
• E) positively charged sigma complex

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Definitions:

Catatonia

A behavioral syndrome marked by an inability to move normally, manifested in either extreme stillness or motor hyperactivity, often associated with schizophrenia.

Hypomania

A milder form of mania, characterized by elevated mood, increased activity or energy levels, but without the severe impairment of full-blown mania.

Bipolar II Disorder

A form of mood disorder characterized by episodes of hypomania and severe depression, but without the full-blown manic episodes seen in Bipolar I Disorder.

Hypermania

A severe form of mania characterized by extremely elevated mood, energy, and activity levels, often disrupting daily functioning.