Organic Chemistry 1

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

Card preview (24)

Front (Question)

How can we separate petroleum into useful fractions?

Back (Answer)

fractional distillation

Front (Question)

How do the boiling points of fractions change as you go down the fractionating column?

Back (Answer)

as you go down, the boiling points increase

Front (Question)

How does the viscosity of fractions change as you go down the fractionating column?

Back (Answer)

as you go down, the viscosity increases

Front (Question)

How do the volatilities of fractions change as you go down the fractionating column?

Back (Answer)

as you go down, the volatility decreases

Front (Question)

How do the chain lengths of fractions change as you go down the fractionating column?

Back (Answer)

as you go down, chain length increases

Front (Question)

Name the three fossil fuels.

Back (Answer)

coal, natural gas and petroleum

Front (Question)

What is the main constituent of natural gas?

Back (Answer)

methane

Front (Question)

Define the term ‘hydrocarbon’.

Back (Answer)

Compounds containing hydrogen and carbon only

Front (Question)

What process is used to separate petroleum into its fractions?

Back (Answer)

Fractional distillation

#10

Front (Question)

What is petroleum?

Back (Answer)

a mixture of hydrocarbons

#11

Front (Question)

What is a fraction?

Back (Answer)

a group of hydrocarbons with similar chain lengths

#12

Front (Question)

What are features of fractions obtained from petroleum at the top of the fractionating column?

Back (Answer)

• lower boiling points • runny • volatile • smaller chain length

#13

Front (Question)

What are features of fractions obtained from petroleum at the bottom of the fractionating column?

Back (Answer)

• higher boiling points • viscous • low volatility • bigger chain length

#14

Front (Question)

What is the order of the fractions, from the smallest chain to the largest?

Back (Answer)

refinery gas gasoline naphtha paraffin diesel oil fuel oil lubricating fraction bitumen

#15

Front (Question)

What is the use of refinery gas?

Back (Answer)

heating and cooking

#16

Front (Question)

What is the use of gasoline?

Back (Answer)

fuel in cars

#17

Front (Question)

What is the use of naphtha?

Back (Answer)

chemical feedstock

#18

Front (Question)

What is the use of paraffin?

Back (Answer)

jet fuel

#19

Front (Question)

What is the use of diesel oil?

Back (Answer)

fuel used in diesel engines

#20

Front (Question)

What is the use of fuel oil?

Back (Answer)

fuel in ships and home heating systems

#21

Front (Question)

What is the use of lubricating oil?

Back (Answer)

for lubricants, waxes and polishes

#22

Front (Question)

What is the use of bitumen?

Back (Answer)

making roads

#23

Front (Question)

What is the general formula of alkanes?

Back (Answer)

CnH2n+2

#24

Front (Question)

What is the general formula of alkenes?

Back (Answer)

CnH2n