Order the Following Substrates According to the Increase in SN₂

question 27

Multiple Choice

Order the following substrates according to the increase in SN₂ reaction rate: (CH₃) ₂CHBr, (CH₃) ₃CBr, CH₃CH₂Br, CH₃Br

• A) (CH₃)₂CHBr < (CH₃)₃CBr < CH₃CH₂Br < CH₃Br
• B) (CH₃)₃CBr < (CH₃)₂CHBr < CH₃CH₂Br < CH₃Br
• C) (CH₃)₃CBr < (CH₃)₂CHBr < CH₃Br < CH₃CH₂Br
• D) (CH₃)₃CBr < CH₃CH₂Br < (CH₃)₂CHBr < CH₃Br
• E) CH₃CH₂Br < (CH₃)₃CBr < (CH₃)₂CHBr < CH₃Br

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Definitions:

Contribution Margin Ratio

The percentage of each sale that exceeds the variable costs and contributes to covering fixed costs and generating profit.

Traceable Fixed Expenses

Fixed costs that can be directly linked to a specific business segment or product.

Segment Margin

The amount of profit or loss generated by an individual segment of a business after deducting direct and traceable costs.

Net Operating Income

The income yielded by a company's primary activities, not including costs or earnings from activities outside its main operations.