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Edexcel IGCSE Chemistry: Section 3- Alkanes, alkenes questions With Correct Detailed Answers. £10.25   Add to cart

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Edexcel IGCSE Chemistry: Section 3- Alkanes, alkenes questions With Correct Detailed Answers.

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What is the general formula of the alkanes? - correct answer CnH2n+2 State two other features of a homologous series (not including having the same general formula) - correct answer M1 same/similar chemical properties / re...

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  • October 9, 2024
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Edexcel IGCSE Chemistry: Section 3-
Alkanes, alkenes questions

What is the general formula of the alkanes? - correct answer CnH2n+2



State two other features of a homologous series (not including having the same general formula) -
correct answer M1
same/similar chemical properties / reactions / behaviour / characteristics

M2 gradation /gradual change / trend / increase / decrease of physical properties

M3 (neighbouring members) differ by CH2



M4 same functional group



Explain what isomers are - correct answer M1
(compounds / molecules with) same molecular formula / same number of each type of atom
M2 different structures / structural formulae / atoms arranged differently / different displayed formulae



Explain why decane is described as a hydrocarbon - correct answer M1 contains
carbon and hydrogen (atoms / elements / particles)



M2 only

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