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Organic Chemistry

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Total cards: 24•Content version: v4•Public deck•Updated: 8/1/2026

Card preview (24)

#1
Front (Question)

Use of petroleum gas

Back (Answer)

Fuel for cooking

#2
Front (Question)

Use of gasoline

Back (Answer)

Fuel for cars

#3
Front (Question)

Use of naphtha

Back (Answer)

Feedstock for chemical industries

#4
Front (Question)

Use of paraffin

Back (Answer)

• oil stoves - aircraft fuel

#5
Front (Question)

Use of diesel

Back (Answer)

Fuel in Diesel engines

#6
Front (Question)

Use of lubricating oil

Back (Answer)

• lubricants - polishes/waxes

#7
Front (Question)

Use of bitumen

Back (Answer)

Making roads

#8
Front (Question)

General formula of alkanes

Back (Answer)

CnH2n+2

#9
Front (Question)

Describe the products of combustion of alkanes

Back (Answer)

Carbon dioxide and water

#10
Front (Question)

Describe the process of halogenation

Back (Answer)

A reactive halogen displaces hydrogen in a hydrocarbon. Chlorine: chloro- Bromine: bromo- E.g. Chloromethane

#11
Front (Question)

General formula of alkenes

Back (Answer)

CnH2n

#12
Front (Question)

What is cracking in organic chemistry?

Back (Answer)

Thermal decomposition reaction in which an alkene (or sometimes hydrogen) is produced from an alkane E.g. Cracking ethane will give ethene and hydrogen E.g. Cracking butane will give ethane and ethene

#13
Front (Question)

Describe an alkene’s reaction: catalytic addition of steam

Back (Answer)

Forms alcohol under the right temperature and pressure

#14
Front (Question)

Describe an alkene’s reaction: catalytic addition of hydrogen

Back (Answer)

Its double bond will break down to form an alkane under the right temperature and pressure

#15
Front (Question)

General formula of alcohols

Back (Answer)

CnH2n+1OH

#16
Front (Question)

Describe the fermentation process used to obtain ethanol

Back (Answer)

• Enzymes in yeast break down glucose to ethanol and carbon dioxide (exothermic) • Substances are left to ferment • Fractional distillation is used to obtain ethanol

#17
Front (Question)

Describe the optimal conditions for the catalytic addition of steam to ethene

Back (Answer)

Temperature: 570 degrees Pressure: 60-70 atmospheres Catalyst: phosphoric acid

#18
Front (Question)

Uses of ethanol

Back (Answer)

• as an organic solvent - substitute to petrol as it burns cleanly

#19
Front (Question)

General formula of carboxylic acids

Back (Answer)

CnH2n+1COOH

#20
Front (Question)

How is ethanoic acid formed?

Back (Answer)

• Oxidation of ethanol - in the presence of acidified potassium manganate

#21
Front (Question)

Describe the dehydration of ethanol

Back (Answer)

Pass the alcohol vapor over a heated aluminium oxide catalyst. Ethanol will revert to ethene.

#22
Front (Question)

Catalyst of estero fixation

Back (Answer)

Concentrated sulphuric acid

#23
Front (Question)

Use of polythene

Back (Answer)

• plastic bags/gloves • mugs • bowls • chairs • dustbins

#24
Front (Question)

Use of polychloroethane (PCC)

Back (Answer)

• water pipes • wellingtons • hoses • covering for electricity cables