Organic Chemistry Help: Video Lessons & Practice
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Certified-Teacher Concept Videos
Learn the method behind every reaction — not just the answer. Experienced instructors walk you through organic mechanisms step by step, so you're ready for the next course, not just this exam.

Diagnostic Assessment & Adaptive Practice
A quick diagnostic pinpoints exactly which topics to focus on first. Then adaptive practice adjusts difficulty to your performance, so every session moves you forward efficiently.

Full Organic Chemistry Exam Preparation
Practise with mock tests and topic-focused quizzes built around midterms and finals. Revisit any lesson as many times as you need until every mechanism clicks.
Organic Chemistry Topics
1. Introduction to Organic Chemistry
2. Intro to Atomic and Molecular Structure
3. Chemical analysis and structure determination
4. Introduction to organic reactions, reactivity and mechanisms
4 Chapters · 24 Topics · 191 Videos
What is Organic Chemistry?
Organic Chemistry is the branch of chemistry that studies the structure, properties, composition, reactions, and synthesis of carbon-containing compounds. It is a foundational university course for students pursuing biochemistry, medicine, pharmacy, dentistry, chemical engineering, and environmental science. At Australian universities, Organic Chemistry is typically taken across one or two semesters in the first or second year, and it serves as a gateway to almost every higher-level science course that follows.
The discipline is distinct because it requires you to think mechanistically — understanding not just what products form, but why electrons move the way they do. This is what makes Organic Chemistry both challenging and deeply rewarding for students who invest in building strong foundations.
What topics are covered in Organic Chemistry?
Organic Chemistry spans a broad range of interconnected topics. The course typically opens with bonding theory, hybridisation (sp, sp², sp³), and the three-dimensional geometry of molecules. From there it moves into functional group families — alkanes, alkenes, alkynes, alcohols, ethers, aldehydes, ketones, carboxylic acids, esters, amines, and amides — each with its own characteristic reactivity.
Reaction mechanisms form the analytical core of the course. You will learn to push electrons using curved arrows, distinguish substitution from elimination, and predict regioselectivity and stereoselectivity. Spectroscopic methods — proton NMR, carbon-13 NMR, IR spectroscopy, and mass spectrometry — are taught so you can identify unknown compounds from data. Later units tackle aromaticity, electrophilic aromatic substitution, carbonyl chemistry, enolates, and multi-step synthesis planning. Each topic builds directly on the last, so gaps in understanding early on compound quickly.
What is the difference between Organic Chemistry I and Organic Chemistry II?
Organic Chemistry I focuses on foundational concepts: bonding, stereochemistry, and the major substitution and elimination mechanisms (SN1, SN2, E1, E2). Students learn to classify and interconvert functional groups, interpret spectroscopic data, and draw mechanistic arrows accurately. The course establishes the conceptual language that all subsequent organic chemistry uses.
Organic Chemistry II builds on this foundation by introducing more sophisticated reactivity. Topics typically include conjugated systems, aromaticity and aromatic reactions, carbonyl chemistry (nucleophilic addition, acyl substitution, aldol condensation), enolate chemistry, amines, and multi-step retrosynthetic analysis. The level of complexity increases substantially, and students who have internalised the electron-pushing logic from Organic Chemistry I find the transition much smoother.
Is Organic Chemistry hard for Australian university students?
Organic Chemistry is widely considered one of the most challenging courses in the first two years of an Australian university science or health degree. Its difficulty stems from the sheer volume of content, the need for three-dimensional spatial reasoning, and the demand for consistent, active practice rather than passive reading. Students who approach it like a humanities course — reading notes the night before an exam — typically struggle.
The most common sticking points are stereochemistry (assigning R and S configurations, understanding enantiomers and diastereomers), distinguishing when SN1, SN2, E1, or E2 applies, drawing complete and accurate arrow-pushing mechanisms, and planning multi-step syntheses. None of these skills develops from memorisation alone — they require working through a large number of varied practice problems, getting feedback on mistakes, and revisiting concepts across multiple sessions.
Students who succeed in Organic Chemistry at Australian universities consistently report that regular practice, understanding mechanisms rather than memorising outcomes, and seeking help early are the three most important habits. Waiting until the week before a final exam is the single most common mistake.
How is Organic Chemistry assessed at Australian universities?
Assessment structures vary between institutions, but a typical Australian university Organic Chemistry course is assessed through mid-semester exams (usually two, each worth 20–30%), a final exam (often 40–50%), laboratory reports, and sometimes online quizzes or problem sets. The final exam covers the entire course and typically includes mechanism drawing, spectral interpretation, synthesis planning, and multiple-choice questions.
Laboratory components are taken seriously at Australian universities and usually carry their own weighting (10–20%). Students are expected to write formal lab reports demonstrating both practical competence and scientific communication. Some institutions enforce a hurdle — you must achieve a minimum grade in both the written exams and the laboratory component independently in order to pass the course overall, regardless of your combined average.
For ATAR-pathway students entering university science from Year 12 Chemistry, the jump in depth and pace in Organic Chemistry can be significant. Preparing early with practice problems and concept videos helps bridge that gap before the first mid-semester exam arrives.
Why StudyPug for Organic Chemistry?
StudyPug is built for exactly the kind of learning that Organic Chemistry demands: understanding the method, not just the answer. Every lesson is taught by a certified teacher — not AI-generated content — who walks through the reasoning behind each mechanism step by step. This matters in Organic Chemistry because the pattern of thinking carries over to every new reaction you encounter. A student who understands why SN2 favours primary substrates will correctly predict the outcome of a reaction they have never seen before. A student who memorised a rule without understanding it will not.
The platform starts you with a diagnostic assessment that identifies your specific weak areas — whether that is stereochemistry, carbonyl chemistry, or spectral interpretation — so you study efficiently rather than revising everything equally. Adaptive practice then adjusts problem difficulty to your current level, keeping you challenged without overwhelming you. You can access the full Organic Chemistry library — and every other university course, including General Chemistry, Biochemistry, Calculus, Linear Algebra, and Statistics — under one subscription. Watch any lesson as many times as you need until it genuinely makes sense.
For exam preparation, StudyPug provides practice tests and mock exams that reflect the structure of mid-semester and final assessments. Free practice content is available without a subscription, letting you build skills and test the platform before committing. Every subscription is backed by a 30-day money-back guarantee.
What you learn: Organic Chemistry course coverage
A full Organic Chemistry course on StudyPug covers the following areas:
- Bonding, hybridisation, and molecular geometry
- Alkanes, cycloalkanes, conformational analysis
- Stereochemistry: chirality, R/S configuration, enantiomers, diastereomers, meso compounds
- Substitution and elimination reactions: SN1, SN2, E1, E2 — mechanisms, conditions, and selectivity
- Alkenes and alkynes: addition reactions, regioselectivity, Markovnikov's rule
- Alcohols, ethers, epoxides: synthesis and reactions
- Spectroscopy: IR, ¹H NMR, ¹³C NMR, mass spectrometry
- Conjugated systems and aromaticity: Hückel's rule, electrophilic aromatic substitution
- Carbonyl chemistry: aldehydes, ketones, nucleophilic addition
- Carboxylic acids and derivatives: acyl substitution mechanisms
- Enolate chemistry: aldol condensation, Claisen condensation
- Amines and nitrogen-containing compounds
- Multi-step synthesis and retrosynthetic analysis
No validated internal topic links are currently available for the Australian Organic Chemistry pages in the site map. Links will be added once the page feed is refreshed.
How to use StudyPug for Organic Chemistry
The most effective approach is to begin with the diagnostic assessment before you start any new unit. This takes only a few minutes and tells you exactly which prerequisite concepts to strengthen first, so you do not spend time revising material you already know well.
For each new topic, watch the concept video before attempting practice problems. The certified-teacher walkthroughs in StudyPug explain the mechanism and the reasoning, not just the steps. Once you have watched the lesson, move to adaptive practice immediately — applying a concept the same day you learn it significantly improves retention.
Before mid-semester exams and finals, use the mock exam and practice test tools to simulate real assessment conditions. Work through problems under timed conditions, then review every question you got wrong using the step-by-step video solutions. Revisit any lesson as many times as needed — there is no penalty for rewatching. Students who combine regular adaptive practice with targeted video revision typically see steady improvement across the semester rather than a last-minute scramble.
StudyPug works on desktop and mobile, so you can fit practice into commutes, breaks, or study sessions between labs. One subscription covers your entire degree — from Organic Chemistry through Biochemistry, Physical Chemistry, and beyond.
Organic Chemistry FAQ
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What do you learn in Organic Chemistry, and what topics does it cover?
Organic Chemistry covers the structure, properties, and reactions of carbon-based compounds. Core topics include bonding and hybridisation, functional groups (alkanes, alkenes, alkynes, alcohols, carbonyls), reaction mechanisms (SN1, SN2, E1, E2), stereochemistry, aromaticity, and spectroscopic identification (NMR, IR, MS). Later units introduce carbonyl chemistry, amines, and multi-step synthesis. The course builds systematic thinking so you can predict how molecules behave under different conditions — an essential skill for biochemistry, pharmacy, and medicine.
What is the difference between Organic Chemistry and General Chemistry?
General Chemistry introduces broad principles — atomic structure, stoichiometry, thermodynamics, electrochemistry, and equilibrium — using both inorganic and organic examples. Organic Chemistry narrows the focus entirely to carbon-based compounds, emphasising reaction mechanisms, electron pushing, and synthesis. While General Chemistry asks 'what happens?', Organic Chemistry asks 'why and how does it happen at the molecular level?' Students typically complete one or two semesters of General Chemistry before enrolling in Organic Chemistry.
What are the prerequisites for Organic Chemistry, and what course comes after it?
Most Australian universities require at least one semester of General Chemistry and a solid grasp of atomic bonding, Lewis structures, and basic thermodynamics before starting Organic Chemistry. After completing Organic Chemistry I and II, students commonly progress to Advanced Organic Chemistry, Biochemistry, Medicinal Chemistry, or Physical Organic Chemistry. Pharmacy and medicine students also apply these concepts in pharmacology. Building strong mechanism fundamentals early makes every subsequent course significantly more approachable.
Is Organic Chemistry hard, and where do students struggle most?
Organic Chemistry has a reputation for being one of the most demanding first- and second-year university courses, and for good reason — it requires spatial thinking, pattern recognition, and consistent practice rather than simple memorisation. Students most commonly struggle with stereochemistry (R/S assignment, enantiomers, diastereomers), distinguishing SN1 from SN2 and E1 from E2 pathways, drawing accurate arrow-pushing mechanisms, and multi-step synthesis planning. Regular practice with varied problem types — not just reading — is the most reliable way to build competence.
How is Organic Chemistry assessed at Australian universities — exams, labs, and assignments?
At most Australian universities, Organic Chemistry is assessed through a combination of mid-semester exams, a final exam, laboratory reports, and occasionally online quizzes or assignments. The final exam typically carries the largest weighting (40–60%) and covers the full course, including mechanisms and synthesis. Laboratory assessments test practical technique and scientific writing. Some institutions use hurdle requirements — students must pass both the written and laboratory components independently to pass the course overall.
What is one of the hardest topics in Organic Chemistry, and how do you approach it?
Stereochemistry is consistently ranked the most difficult topic in Organic Chemistry. Assigning R and S configurations, identifying enantiomers versus diastereomers, and understanding how stereochemistry affects reaction outcomes demands genuine three-dimensional thinking. The most effective approach is to use molecular models (physical or digital) alongside worked examples, practise assigning priorities using CIP rules on many different molecules, and work through mechanism problems that specifically ask about stereochemical outcomes. Revisiting this topic across multiple short sessions beats one long cramming session every time.



















