Organic Chemistry Help: Video Lessons & Practice
Work through every topic with clear solutions. Start your free practice test now!
Certified-Teacher Concept Videos
Learn reaction mechanisms and organic synthesis from experienced instructors — step-by-step lessons that teach the method, not just the answer, so you're ready for finals.
Diagnostic Assessment & Adaptive Practice
A quick diagnostic finds exactly where your gaps are, then practice adjusts to your level — so every study session targets what you actually need to improve.
Full Exam Preparation for Midterms & Finals
Build confidence with organic chemistry mock exams and practice tests covering every assessable topic — watch unlimited times until the concepts click.
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
Discover Our Learning Areas
Explore key subjects and start learning with interactive content.
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 core requirement in most NZ university science, health-sciences, and engineering programmes, typically taken in the first or second year of study. The discipline provides the molecular foundation for fields including biochemistry, pharmacology, materials science, and medicine — making a strong grasp of its principles essential for long-term academic and professional success.
What topics does Organic Chemistry cover at university level?
A standard NZ university Organic Chemistry course covers a wide range of interconnected topics. Early in the course, students revisit atomic structure, hybridisation, and resonance to build a solid molecular framework. The course then moves into functional group chemistry — alkanes, alkenes, alkynes, dienes, aromatic compounds, alcohols, ethers, carbonyls, amines, and carboxylic acid derivatives — exploring how each group reacts and why. Reaction mechanisms are central: substitution (SN1 and SN2), elimination (E1 and E2), addition, and condensation reactions are all examined in detail using curved-arrow electron notation. Stereochemistry and chirality, including enantiomers, diastereomers, and optical activity, form a major strand. Spectroscopic methods — 1H and 13C NMR, infrared spectroscopy, and mass spectrometry — are introduced as tools for structure determination. Advanced units cover multi-step organic synthesis and retrosynthetic analysis, carbonyl chemistry, and an introduction to biomolecules such as carbohydrates and amino acids.
Is Organic Chemistry hard — what makes it challenging?
Organic Chemistry has a well-earned reputation as one of the most demanding undergraduate science courses. The challenge is less about mathematical complexity and more about developing a new way of thinking at the molecular level. Students who try to memorise individual reactions without understanding the underlying electron-flow logic quickly find themselves overwhelmed by the sheer volume of material. The most successful students learn to see patterns: electron-rich species react with electron-poor sites; leaving-group ability and solvent polarity determine mechanism pathways; steric and electronic effects influence stereochemical outcomes. Building this intuition takes time and consistent practice with worked problems — not just passive review of notes.
How do you prepare for Organic Chemistry exams at NZ universities?
NZ university Organic Chemistry exams typically include mechanism-drawing questions, spectroscopy interpretation problems, synthesis design tasks, and multiple-choice conceptual questions. Effective preparation requires three things: thorough understanding of core mechanisms (not just their names), regular practice on past exam-style questions, and active use of practice tests to simulate time-pressure conditions. Working through practice problems with fully explained solutions — checking not just whether your answer is correct but whether your reasoning is correct — is the fastest way to close gaps before a mid-semester test or final examination. StudyPug's mock exams and adaptive practice sets are structured around exactly this kind of deliberate preparation.
What prerequisites do I need, and where does Organic Chemistry lead?
Most NZ universities require completion of a first-year General Chemistry course, or equivalent NCEA Level 3 Chemistry achievement standards, before enrolling in Organic Chemistry. A confident understanding of Lewis structures, basic bonding theory, and stoichiometry will make the early weeks of the course significantly easier. After Organic Chemistry, students typically move into Advanced Organic Chemistry, Physical Organic Chemistry, or directly into second- and third-year Biochemistry. The skills developed — mechanistic reasoning, 3D spatial thinking, and systematic problem-solving — are directly transferable to pharmacology, drug design, polymer science, and biomedical research.
Why use StudyPug for Organic Chemistry?
StudyPug is built specifically to help university students learn efficiently, not just to supply content. The platform begins with a diagnostic assessment that identifies exactly which Organic Chemistry topics are costing you marks, so you can focus study time where it matters rather than reviewing material you already know. Certified-teacher concept videos then walk through each topic step by step — explaining the reasoning behind every mechanism and every spectroscopic inference, not just presenting the final answer. This approach builds the deep understanding you need to handle unseen exam questions, not just familiar practice problems. Adaptive practice then adjusts question difficulty in real time to your performance, ensuring you are always working at the right level of challenge. All university chemistry courses — Organic Chemistry, General Chemistry, Biochemistry, and more — are included under one StudyPug subscription, with unlimited rewatching of any video until the concept is clear. A 30-day money-back guarantee means you can start with complete confidence.
What you learn — Organic Chemistry course coverage
StudyPug's Organic Chemistry content covers the full scope of a standard first-year and second-year university course. Topic coverage includes: structure and bonding (hybridisation, resonance, formal charge); functional group identification and nomenclature; stereochemistry and chirality (R/S configuration, enantiomers, diastereomers, meso compounds); nucleophilic substitution (SN1 and SN2) and elimination (E1 and E2) reactions; addition reactions to alkenes and alkynes; aromatic chemistry and electrophilic aromatic substitution; carbonyl chemistry (aldehydes, ketones, carboxylic acids and derivatives, enolate reactions); amines and nitrogen chemistry; spectroscopic structure determination (1H NMR, 13C NMR, IR, and mass spectrometry); and multi-step synthesis and retrosynthetic analysis. Each topic is taught through concept videos, followed by graded practice problems and mock exam questions — giving you both the understanding and the practice repetitions needed to perform under exam conditions.
Using StudyPug for Organic Chemistry
Getting started on StudyPug is straightforward. After signing up, take the short diagnostic assessment to identify your strongest and weakest areas across Organic Chemistry topics. Use this to build a focused study plan rather than working through every topic in order. Watch the certified-teacher concept video for each topic you need to strengthen — pausing and rewinding as needed — before moving into the associated practice problems. Use the adaptive practice sets to build fluency, and complete the mock exam questions to prepare for the time-pressured format of mid-semester tests and final examinations. Free daily practice content is available to all users, giving you a low-friction way to keep your organic chemistry skills sharp between full study sessions. For full access to all video lessons, adaptive practice, and the complete mock exam bank, a subscription is available with a 30-day money-back guarantee.
Organic Chemistry FAQ
Unsure how StudyPug works? Need help with setting up? Check our frequently asked questions or contact us for help.
What do you learn in Organic Chemistry, and what topics does it cover?
Organic Chemistry is the study of carbon-based compounds, their structures, properties, reactions, and synthesis. Core topics include atomic and molecular structure, reaction mechanisms (substitution, elimination, addition), functional groups (alkanes, alkenes, alkynes, alcohols, carbonyls, amines), stereochemistry and chirality, spectroscopy (NMR, IR, mass spectrometry), and multi-step organic synthesis. University-level courses also introduce carbonyl chemistry, aromatic compounds, and biomolecules, preparing students for biochemistry and further study in the chemical sciences.
What is the difference between Organic Chemistry and General Chemistry?
General Chemistry covers broad foundational principles — periodic trends, stoichiometry, thermodynamics, equilibria, and electrochemistry — and is typically a first-year prerequisite. Organic Chemistry builds on that foundation and focuses specifically on carbon compounds, their bonding (hybridisation, resonance), reaction mechanisms, and synthesis strategies. Where General Chemistry asks 'what happens?', Organic Chemistry asks 'how and why does it happen at the molecular level?' Most NZ university science and health-sciences programmes require both in sequence.
What are the prerequisites for Organic Chemistry, and what course comes after it?
Most NZ universities require a pass in a first-year General Chemistry course (or equivalent NCEA Level 3 Chemistry credits) before enrolment in Organic Chemistry. Strong skills in Lewis structures, bonding, and basic stoichiometry are essential. After completing introductory Organic Chemistry, students typically progress to Advanced Organic Chemistry or Physical Organic Chemistry, and the skills feed directly into Biochemistry, Medicinal Chemistry, and Pharmaceutical Science courses at third-year and postgraduate level.
Is Organic Chemistry hard, and where do students struggle most?
Organic Chemistry is widely considered one of the most challenging undergraduate science courses. Students most commonly struggle with reaction mechanisms — particularly understanding electron-pushing arrow notation — and with stereochemistry, where visualising 3D molecular geometry is required. Spectroscopy (especially 1H NMR interpretation) and multi-step synthesis planning are also significant hurdles. Success comes from consistent practice with mechanisms rather than memorisation, and from building a solid understanding of electron density and reactivity patterns early in the course.
How is Organic Chemistry assessed at NZ universities — midterms, finals, and assignments?
Assessment varies by institution, but a typical NZ university Organic Chemistry course includes one or two mid-semester tests (worth roughly 20–30% combined), a final examination (often 50–60%), laboratory reports or practical assessments (15–25%), and occasional online quizzes or assignments. The final exam tests both conceptual understanding and problem-solving, including mechanism drawing and synthesis questions. Strong preparation with practice tests and past papers is essential, as the final carries the majority of the grade.
What is one of the hardest topics in Organic Chemistry, and how do you approach it?
Reaction mechanisms — specifically SN1, SN2, E1, and E2 pathways — are consistently the toughest topic for students. The key is to understand the underlying logic: electron-rich species attack electron-poor sites. Start by learning to identify nucleophiles, electrophiles, and leaving groups. Then practice drawing curved arrows for each mechanism type with many worked examples before attempting to predict products independently. StudyPug's step-by-step concept videos walk through the reasoning behind every arrow, so you build real understanding rather than memorising surface patterns.
