What Is the Correct Assignment of Common Names for the Following

question 29

Multiple Choice

What is the correct assignment of common names for the following molecules? i. $\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{CH}_{3}$

ii. $\quad$$\quad$$\quad$$\mathrm{CH}_{3}$
$\quad$$\quad$$\quad$$\quad$ |
$\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CHCH}_{3}$

iii. $\mathrm{CH}_{3}$
$\quad$$\quad$ |
$\mathrm{CH}_{3} \mathrm{CCH}_{3}$
$\quad$$\quad$ |
$\quad$$\mathrm{CH}_{3}$

• A) i = pentane; ii = isopentane; iii = neopentane
• B) i = neopentane; ii = isopentane; iii = pentane
• C) i = pentane; ii = neopentane; iii = isopentane
• D) i = neopentane; ii = pentane; iii = isopentane

---

Definitions:

Contribution Margin

The difference between sales revenue and variable costs, serving as a measure to assess the profitability of products or services.

Fixed Expenses

Costs that do not change with the level of production or sales, such as rent, insurance, and salaries.

Net Operating Income

Income derived from the main activities of a business, not including interest and tax deductions.

Variable Expenses

Costs that change in proportion to the activity of a business, such as raw materials and direct labor costs.