Functional isomers have:

A Same functional groups

B Same molecular formula but different functional groups

C Different molecular formulas

D Same structures

✓ Correct Answer: Option B

Functional isomers: same formula, different functional groups. E.g., ethanol (C2H5OH) and dimethyl ether (CH3OCH3).

💡 Why is B) the correct answer?

The correct answer to the question "Functional isomers have:" is Option B: Same molecular formula but different functional groups.

The other options — A) Same functional groups, C) Different molecular formulas, D) Same structures — are incorrect for this PCAT Exam Prep question. As explained above: Functional isomers: same formula, different functional groups. E.g., ethanol (C2H5OH) and dimethyl ether (CH3OCH3).

📚 About This PCAT Exam Prep Practice Question

This 2-level PCAT Exam Prep question from the Chemical Processes topic is part of BrainForge Quiz's free exam preparation library. Each question includes the correct answer and a detailed explanation to help you understand the underlying concept, not just memorize the answer.

How to use this page: Read the question above, consider all four options (A through D), then check the highlighted correct answer and explanation. For active timed practice, start a free PCAT Exam Prep practice test or use flashcards for spaced repetition review.

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Functional isomers have:

✓ Correct Answer: Option B

📚 About This PCAT Exam Prep Practice Question

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