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WorksheetsCrude oil
Total questions: 14
Worksheet time: 14mins
Which fraction of petroleum is not matched to its correct use?
A
B
C
D
Cracking is an important process in the petroleum industry.
The products of cracking include ......1...... and an ......2...... of ......3...... relative molecular mass
than the ......4...... that was cracked.
Which words complete gaps 1, 2, 3 and 4?
A
B
C
D
A hydrocarbon W burns to form carbon dioxide and water.
W decolourises bromine water.
What is the name of W and what is its structure?
Which compound rapidly decolourises aqueous bromine?
ethane
ethanoic acid
ethanol
ethene
Which fuel could be gasoline?
A
B
C
D
The first three members of a homologous series are shown. Why do these molecules represent a homologous series?
because they contain fluorine and carbon atoms
because they have saturated bonds
because they have the same functional group
because they react differently from each other
Compound Q decolourises bromine water.
Compound Q has two carbon atoms in each molecule.
Which statement about compound Q is correct?
It contains carbon-hydrogen double bonds.
It has six hydrogen atoms per molecule.
It has two carbon-carbon double bonds.
It is produced by cracking alkanes.
Which of the compounds shown are in the same homologous series?
1 CH3OH
2 CH3CH2OH
3 CH3COOH
4 CH3CH2CH2OH
1,2 and 3
1, 2 and 4
1, 3 and 4
2,3 and 4
The diagram shows the separation of petroleum into fractions. What could X, Y and Z represent?
X fuel oil
Y diesel
Z kerosene
X diesel
Y kerosene
Z fuel oil
X kerosene
Y diesel
Z fuel oil
X kerosene
Y Fuel oil
Z diesel
Which statement about homologous groups is NOT correct
Each successive member increases in length by CH2
They all have the same general formula
They have the same physical properties
They have the same functional group
What type of formula is CnH2n+2?
(a)
Which properties decrease down the fractionating column?
boiling point
darkness of colour
flammability
viscosity
crude oil is a mixture of
(a)
Long-chain alkanes are converted to alkenes and shorter-chain alkanes
by catalytic cracking, using silica or (a) as the catalyst.
