Working With the Carey Solutions Manual: What Actually Happens When You Use It
The Carey & Giuliano textbook covers advanced organic chemistry at a level that assumes you already know basic mechanisms cold. The solutions manual is dense, sometimes inconsistent in formatting, and occasionally contains errors that propagate if you copy without checking. I ran into this directly when a chapter 20 problem on pericyclic reactions had a conrotatory/disrotatory designation flipped in the manual. I caught it by working the orbital symmetry diagram myself before trusting the answer key. That is standard for this book. Legitimate copies are sold through McGraw Hill, Amazon, and university bookstores. You will find full PDFs floating around pirate sites, course forums, and Telegram channels. The PDF quality varies wildly. Some are scans of physical copies with OCR artifacts that turn structure diagrams into garbage. Others are clean typesets from students who spent weeks working every problem. A good one usually runs 600 to 900 pages depending on the edition. I prefer having the 7th edition manual alongside the textbook because the problem numbering shifted between editions and older versions skip entire chapters on modern catalysis. If you are pulling from a free source, check the table of contents against the ISBN first. A mismatched edition means you will waste hours looking for problems that do not exist in your copy.
How to verify a manual is accurate before you rely on it:
- Open to Chapter 4 on synthesis strategies. Cross-check two problems against an independently solved version or your professor's posted answers.
- Look at the spectral problems in Chapter 15. Real solutions include reasoning, not just "here is the answer."
- Check Appendix C for NMR tables. Missing or incorrectly shifted peaks mean someone scanned without verifying.
The Manual Is Not a Shortcut
Students treat it like one. It is not. The problems in Carey are designed to force you through synthesis planning, retrosynthesis, mechanistic reasoning, and spectroscopy interpretation in a single question. The solutions show the final pathway, but they skip the dead ends you had to try. If you read straight through without working the problem first, you will learn nothing and fail the exam because the test questions twist the same concepts in unfamiliar directions. I have seen students get a B in the course after using the manual heavily. They could replicate named reactions on paper but collapsed when asked to design a route from scratch. The manual rewards pattern recognition, not deep understanding. Use it to confirm your work, not to generate it.
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How to Actually Use It Effectively
Work the problem blind first. Write out your mechanism, your retrosynthetic disconnections, your spectral reasoning. Then open the manual and compare step by step, not just the final answer. Most of the learning happens in the gap between what you produced and what the manual produced. When the manual shows a different route than yours, ask why. Sometimes your route is actually better. The manual authors make judgment calls on reagent choice, protecting group strategy, and step economy that are not always optimal. I keep a separate notebook where I rewrite solutions that I think could be improved. One example: in the Chapter 18 problem on enamine alkylation, the manual suggests a multi-step protection sequence when a simple boronate ester handles the selectivity in fewer steps. The professor marked my version correct anyway. Common mistakes people make with the manual:
- Copying answers without writing out the mechanism. This takes about the same time as doing the work properly but delivers nearly zero retention.
- Only looking at odd-numbered problem answers and assuming even numbers follow the same pattern. They often do not. The even problems in Carey tend to be harder or use different functional group transformations.
- Ignoring the spectroscopy sections. The NMR and IR problems are where the manual is weakest, and many versions have incorrect peak assignments you need to catch yourself.
Specific Problems You Will Encounter
One edge case that comes up repeatedly is the stereochemistry in Chapter 19 on steroid synthesis. The manual sometimes omits wedge/dash notation on intermediate structures, leaving you guessing whether a substituent is axial or equatorial. When this happens, build the chair conformation yourself. Do not trust the 2D drawing. I spent an afternoon once trying to reconcile a solution that showed a trans-fused ring system with a drawing that visually depicted cis fusion. The error was in the scan, not the concept, but it cost me three hours of confusion. Another issue appears in the Chapter 22 section on organometallics. The manual occasionally uses outdated reagent names or omits stoichiometry. If a solution says "treat with n-BuLi" without specifying equivalents or temperature, run a quick literature search. The original Carey papers and standard references like Clayden or Vollhardt can fill those gaps.
What the Manual Does Not Cover Well
The solutions manual assumes a certain level of fluency that many students do not have yet. It rarely explains why a particular reagent was chosen over another. It skips over troubleshooting steps. It does not teach you how to handle side reactions or purification challenges. For that, you need primary literature and lab experience, neither of which appear in any solutions manual. If you are struggling with the material before even opening the manual, working through the problems becomes counterproductive. In those cases, supplementary resources like online lectures from MIT OpenCourseWare or the Organic Chemistry YouTube channel by The Organic Chemistry Tutor provide better foundational explanations. The manual is a reference, not a textbook substitute.

Pricing and Edition Notes
The 7th edition manual runs around forty to sixty dollars new. Older editions (5th and 6th) are cheaper on the used market but may not cover newer topics like C-H activation or photoredox chemistry that appear in recent course syllabi. If your professor has added those topics, you will need supplementary problem sets from journal-based teaching resources or problem books by David Klein or Kurt Kotler. I recommend buying a physical copy if you can. PDFs get blurry when you print them, and organic chemistry solutions require clear structure rendering. Handwriting through a manual on paper is also faster than typing notes from a screen. The time savings matters when you are working through fifty problems a week.
Final Practical Advice
Use the manual sparingly and critically. Verify suspicious answers. Write out every step yourself before checking. Keep a separate problem-solving notebook for alternate approaches. And do not assume the manual is authoritative on spectroscopy or stereochemistry without cross-referencing. It is a helpful resource, but it has blind spots that only you can catch.