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Hydrocarbons: Alkanes, Alkenes and Alkynes
Chemistry (Science Paper 2) · Chapter 14 · 9. Organic Chemistry
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Your path through this chapter
Visual lesson Beta
- Part 1: Alkanes (methane and ethane)16 slides
- Part 2: Alkenes and alkynes (ethene and ethyne)16 slides
Flashcards Beta
30 cards for quick recall of key terms and facts.
Review the cards Step 3: Not startedPractice
64 board-style questions with instant checks: Short answer 21, Multiple choice 20, Assertion and reason 5, Long answer 5.
Practise Step 4: Not startedChapter test Free
Short and long chapter tests in board pattern, with results and analysis.
Step 5: Not started- Chapter test (long) — Hydrocarbons: Alkanes, Alkenes and Alkynes · 40 marks · 60 min
- Chapter test (short) — Hydrocarbons: Alkanes, Alkenes and Alkynes · 20 marks · 30 min
Topics 6
- Alkanes: general formula; methane as a greenhouse gas; preparation of methane and ethane from sodium ethanoate, sodium propanoate, iodomethane and bromoethane
- Reactions of methane and ethane: complete and incomplete combustion; substitution with chlorine
- Alkenes: ethene; preparation by dehydrohalogenation and by dehydration of ethanol
- Alkynes: ethyne; preparation from calcium carbide and from 1,2-dibromoethane
- Addition reactions of ethene and ethyne with hydrogen and halogens (Cl2, Br2, I2); test for unsaturation
- Uses of methane, ethane, ethene and ethyne