Which Statement About the Mechanism of Imine Formation from a Primary

question 10

Multiple Choice

Which statement about the mechanism of imine formation from a primary amine and an aldehyde or ketone is false?

• A) The first steps involve addition of the amine to the carbonyl carbon to form a tetrahedral intermediate.
• B) The last steps involve elimination of water to form a carbon-nitrogen p-bond.
• C) All steps are reversible.
• D) The reaction involves S_N2 displacement of the carbonyl oxygen by the amine nitrogen.
• E) The reaction does not require a strong acid catalyst.

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Budgeted manufacturing overhead is the estimated amount of indirect costs that are expected to be incurred in the manufacturing process during a specified period.

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A measure of the total amount of time worked by employees directly involved in manufacturing a product or providing a service.

Budgeted Manufacturing Overhead

The estimated overhead costs a company anticipates for manufacturing activities within a specified budget period, used for planning and control purposes.

Direct Labor-hour

A measure of the work input in terms of hours spent by workers directly involved in the manufacturing process.