Identify the Rate-Determining Step in the Electrophilic Aromatic Substitution of Benzene

question 85

Multiple Choice

Identify the rate-determining step in the electrophilic aromatic substitution of benzene.

• A) Formation of an electrophile
• B) Formation of a sigma complex.
• C) Loss of a proton from the sigma complex.
• D) Addition of an electrophile & loss of a proton
• E) None of these

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Definitions:

Predetermined Overhead Rate

A rate used to allocate manufacturing overhead costs to products or job orders, calculated before the accounting period begins based on an estimate.

Machine-Hours

A measure of the amount of time a machine is operated, used for allocating machine-related costs to individual units of production.

Predetermined Overhead Rate

An estimated rate used to allocate manufacturing overhead costs to individual products or job orders based on a specific activity base, such as labor hours or machine hours.

Machine-Hours

A measure of the amount of time a machine is operated within a given period.