Hydrocarbons — KCSE Chemistry

KCSE Chemistry · 103 practice questions · 4 syllabus objectives

42 easy41 medium20 hard

What You'll Learn

Key learning outcomes for this topic, aligned to the KNEC KCSE syllabus.

Define hydrocarbons and classify them as saturated or unsaturated with examples

State natural sources of hydrocarbons (petroleum, natural gas, coal) and describe refining by fractional distillation

Explain the environmental impact of burning fossil fuels and discuss alternatives

Hydrocarbons

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easySHORT ANSWER1 mark

Give the IUPAC name for the compound with the formula: CH₂=CHCH₂CH₃

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Part (a) — 1 mark

IUPAC name: but-1-ene (1 mk)

easySHORT ANSWER1 mark

Give the IUPAC name for the compound with the formula: CH₃C≡CH

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Part (a) — 1 mark

IUPAC name: propyne (1 mk)

easySHORT ANSWER1 mark

Give the IUPAC name for the compound with the structural formula: CH₃CH₂CH₂CH(CH₃)CH₃

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Part (a) — 1 mark

IUPAC name: 2-methylbutane (1 mk)

Write the structural formula for the compound named ethanoic acid.

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