Which of the Following Is the Most Reactive Substrate in an E2

question 19

Multiple Choice

Which of the following is the most reactive substrate in an E2 reaction? $\mathrm { CH } _ { 3 } \mathrm { Br } \quad \mathrm { CH } _ { 3 } \mathrm { CH } _ { 2 } \mathrm { CH } _ { 2 } \mathrm { CH } _ { 2 } \mathrm { Br } \quad \mathrm { CH } _ { 3 } \mathrm { CH } \left( \mathrm { Br } ^ { 2 } \right) \mathrm { CH } _ { 2 } \mathrm { CH } _ { 3 } \quad \left( \mathrm { CH } _ { 3 } \right) _ { 3 } \mathrm { CBr }$
I $\quad\quad\quad\quad\quad\quad\quad$ II $\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad$ III $\quad\quad\quad\quad\quad\quad\quad\quad$ IV

• A) I
• B) II
• C) III
• D) IV

---

Definitions:

Variable Expenses

Charges that escalate or decrease in sync with production quantities or sales levels, involving materials and workforce.

Fixed Expenses

Costs that do not change with the level of production or sales over a short period, such as rent or salaries.

Contribution Margin Ratio

A metric used to assess a product's profitability, calculated by subtracting variable costs from sales revenue and dividing by sales revenue.

Break-even Point

The point at which total costs equal total revenue, meaning that a business is neither making a profit nor incurring a loss.