WJEC A Level Chemistry
WJEC A Level Chemistry 2.4 Organic Compounds Exam Questions
Free WJEC A Level Chemistry exam questions on 2.4 Organic Compounds, with mark schemes. Covers functional groups, homologous series, naming, isomerism and types of reaction and reagent.
2.4 Organic Compounds exam questions
1 question pack of real past exam questions with its mark scheme. Answer every question without notes, then mark your answers line by line against the mark scheme.
StemUp mark scheme flashcards
WJEC A Level Chemistry Flashcards (Anki & Quizlet)
Every answer is written in mark scheme wording, so you learn exactly what examiners give marks for. Use them on Anki or Quizlet, then test yourself with the questions on this page.
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About WJEC A Level Chemistry 2.4 Organic Compounds
This topic introduces organic chemistry. Naming and isomer questions are common.
What you need to know
- Nomenclature IUPAC naming of alkanes, alkenes, halogenoalkanes, alcohols and carboxylic acids.
- Formulae Molecular, empirical, structural, displayed and skeletal formulae.
- Isomerism Structural isomerism and E-Z isomerism.
- Reactions Addition, substitution, elimination; electrophiles, nucleophiles and radicals; homolytic and heterolytic fission.
Common mistakes in 2.4 Organic Compounds
- Numbering the chain from the wrong end.
- Missing E-Z isomers when both ends have two different groups.
- Confusing nucleophiles and electrophiles.
Try three 2.4 Organic Compounds exam-style questions
1. Name CH₃CH(OH)CH₃. (1 mark)
Show the mark scheme answer
Propan-2-ol.
2. Explain why but-2-ene has E-Z isomers. (2 marks)
Show the mark scheme answer
There is restricted rotation about the C=C bond (1) and each carbon of the double bond has two different groups (1).
3. Define a nucleophile. (1 mark)
Show the mark scheme answer
An electron pair donor.
2.4 Organic Compounds FAQs
What does Organic Compounds cover?
Naming, formulae, isomerism and classifying organic reactions.
Do I need skeletal formulae?
Yes, drawing and interpreting them.
What is a homologous series?
A family with the same functional group and general formula, differing by CH₂.
Revise this topic with flashcards: WJEC A Level Chemistry Flashcards, with mark scheme answers for Anki and Quizlet.
