Froggy Jumps
Organic Chemistry GCSE Quiz ChallengeOnline version
Test your knowledge on hydrocarbons, cracking, polymers and more.
1
What increases as hydrocarbon molecules get bigger?
2
What decreases as hydrocarbon molecules grow larger?
3
Crude oil is mainly composed of which type of compounds?
4
What is the general formula for alkanes?
5
Complete combustion of a hydrocarbon produces which two main products?
6
Which process separates crude oil into fractions?
7
Small hydrocarbon fractions are used as fuels mainly for which property?
8
What are the products of cracking larger hydrocarbons?
9
What type of reaction is cracking?
10
Alkanes are saturated because they contain what type of bonds?
11
What is the first member and formula of alkanes?
12
Alkenes contain what kind of bond?
13
Alkenes are more reactive than alkanes due to what feature?
14
The general formula for alkenes is which?
15
What happens when bromine water reacts with alkenes?
16
Alcohols contain which functional group?
17
What is the first four members of the alcohol series?
18
Fermentation of glucose produces what and under which conditions?
19
What are carboxylic acids defined by the functional group?
20
Carboxylic acids are what type of acids?
21
Esters are formed from carboxylic acids and what?
22
What is the ester produced from ethanol and ethanoic acid?
23
What is polymerisation where many monomers join to form polymers called?
24
In addition polymerisation, what remains the same in the repeating unit?
25
What type of monomer is typically involved in addition polymers like poly(ethene)?
26
Condensation polymerisation involves monomers with how many functional groups?
27
What is released in condensation polymerisation when monomers join?
28
Give an example of a condensation polymer made from two monomers?
29
Amino acids polymerise to form what type of molecule?
30
What are the two functional groups in amino acids?
31
DNA is primarily composed of what two polymer strands?
32
DNA's basic unit is which?
33
What is the general use of the petrochemical industry?
34
Which hydrocarbon family do alkanes belong to?
35
What happens to the temperature profile in a fractionating column?
36
Which product is associated with fuels from crude oil?
37
What happens to vapours during fractional distillation?
38
Which alcohol is the main alcoholic drink component?
39
Which gas is produced when ethanol ferments sugar?
40
What happens to ethanol when oxidised with oxidising agents?
41
What are the products of complete combustion of ethanol?
42
What is the optimum fermentation temperature typical for yeast?
43
What happens if air is present during fermentation?
44
What is the first common monomer used to make poly(ethene)?
45
What is a defining feature of alkenes in terms of hydrogen atoms?
46
What happens to bromine water with alkenes?
47
What is the main use of alkenes in plastics?
48
Which gas is produced in fermentation along with ethanol?
49
What happens to a fraction’s boiling point compared to molecule size?
50
What happens to vapours in a distillation column at higher temperatures?
51
Which gas is a common fuel gas bottled in industries?
52
Which type of polymerisation uses water loss?
53
Which component is commonly used to catalyse ester formation?
54
What are the four features that influence crude oil fractions?
55
Which molecule is the repeating unit of DNA?
56
What types of polymers are highlighted as essential for life besides DNA?
57
What is the role of yeast in fermentation?
58
What products result from the oxidation of ethanol?
59
Which fraction is primarily used as jet fuel?
60
Which component in crude oil yields lubricants and bitumen?
61
Which property makes alkanes less volatile as they get bigger?
62
What is the role of cracking in the oil industry?
63
What is the key feature of the ester linkage in polymers?
64
Which reaction forms polyesters from diols and diacids?
65
Which molecule is a simple example of a polymer formed by amino acids?
66
Which two products are typical from complete combustion of hydrocarbons?
67
What is a key feature of aromatic hydrocarbons in crude oil?
68
What does the temperature profile of the distillation column depend on?
69
Which statement is true about alkanes and alkenes?
70
Which product is used as a starting material for polymers from small alkenes?
71
Which molecule shows an unsaturated hydrocarbon?
72
What happens to the vapours in a distillation column as temperature lowers?
73
Which term describes polymers made by joining many monomers?
74
What is the main type of reaction in polymer addition?
75
Which organisms use fermentation to make ethanol?
76
What happens when a carboxylic acid reacts with an alcohol?
77
Which gas is a common byproduct of fermentation besides ethanol?
78
Which molecule is common to both DNA and RNA?
79
What does the term 'unsaturated' mean in alkenes?
80
What is the product of ethanol oxidation with chemical oxidising agents?
81
Which process uses steam to crack hydrocarbons?
82
Which class do benzene and toluene belong to in crude oil context?
83
Which key feature distinguishes polymers from small molecules?
84
What is the formula for ethene?
85
Which statement best describes the trend in boiling points of hydrocarbons with increasing size?
86
What is the role of a hot catalyst in cracking?
87
What is the general formula for the first four carboxylic acids?
88
Which product is not a fuel from crude oil?
89
What do alkanes and alkenes react with to form water and CO2?
90
Which compound is the ester in many perfumes?
91
What is produced when alcohols burn in air?
92
What determines the level at which a fraction condenses in a distillation column?
93
Which polymer is formed from ethene?
94
What are the two main polymers discussed in addition polymerisation?
95
Which small molecule is reused in addition polymerisation as repeating unit?
96
What is the main use of petrol/gasoline from crude oil?
97
Which feature is common to all alkanes?
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