# 5-mark practice questions — Eduqas A-Level Chemistry

> 165 questions · chemistry

## How to answer

5-mark questions typically award marks for structured argument: two ideas + linked because + specific example + conclusion.

## Sample questions

1. [The reaction between hydrogen and iodine reaches a dynamic equilibrium in a closed container.

H₂(g) + I₂(g) ⇌ 2HI(g)

W…](https://www.gradenine.co.uk/q/the-reaction-between-hydrogen-and-iodine-00cbad39)
2. [A student tests two unknown organic compounds, Compound A and Compound B, using Fehling's solution. Compound A produces …](https://www.gradenine.co.uk/q/a-student-tests-two-unknown-organic-01eca416)
3. [Ethene (C₂H₄) is a hydrocarbon. A student states: 'When ethene burns completely in oxygen, the total mass of the product…](https://www.gradenine.co.uk/q/ethene-c-h-is-a-hydrocarbon-a-0281afee)
4. [A student uses paper chromatography to separate the coloured pigments in a sample of black ink. After running the chroma…](https://www.gradenine.co.uk/q/a-student-uses-paper-chromatography-to-0293441e)
5. [Pent-2-ene can exist as cis and trans stereoisomers. Explain why pent-2-ene can form cis and trans isomers, and state on…](https://www.gradenine.co.uk/q/pent-2-ene-can-exist-as-cis-and-052d4f56)
6. [Propan-1-ol (CH₃CH₂CH₂OH) and 1-chloropropane (CH₃CH₂CH₂Cl) belong to different homologous series. Describe the similari…](https://www.gradenine.co.uk/q/propan-1-ol-ch-ch-ch-oh-and-1-chloropropane-ch-ch-ch-cl-belo-05f6a66a)
7. [A student wants to prepare a sample of ethyl ethanoate in the laboratory. Describe how the student would carry out this …](https://www.gradenine.co.uk/q/a-student-wants-to-prepare-a-066ad5e1)
8. [Elements in the periodic table are arranged in periods and groups. Explain what is meant by the terms 'period' and 'grou…](https://www.gradenine.co.uk/q/elements-in-the-periodic-table-are-089e4e57)

## Related

- [Eduqas A-Level Chemistry revision notes](https://www.gradenine.co.uk/learn/eduqas-a-level-chemistry)
- [Eduqas A-Level Chemistry past papers](https://www.gradenine.co.uk/past-papers/eduqas-a-level-chemistry)
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