Alcohols (Edexcel GCSE Chemistry): Flashcards

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Alcohols
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Functional group in alcohols

Hydroxyl group (–OH)

Name of –OH group

Hydroxyl group

General formula for alcohols

CnH2n+1OHC_nH_{2n+1}OH

Meaning of nn in CnH2n+1OHC_nH_{2n+1}OH

Number of carbon atoms

Number of H atoms in alcohol with nn carbons

2n+12n + 1

Boiling point trend as carbon atoms increase

Boiling points increase

Reason for similar chemical properties in alcohols

–OH functional group

Unit difference between successive alcohols

CH2CH_2 unit

Type of series alcohols form

Homologous series

–OH in alcohols vs OH⁻ in bases

They are not the same

Formula of decanol (n=10n = 10)

C10H21OHC_{10}H_{21}OH

Characteristics of homologous series

Similar properties & regular structural pattern

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