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Topic 10: Organic Chemistry
4. Unsaturated hydrocarbons: Recalling definitions and facts
1. The present of which type of bond between two adjacent carbon atoms is a characteristic of
unsaturated hydrocarbons?
1) A single covalent bond 3) A double covalent bond
2) A single ionic bond 4) A double ionic bond
2. All unsaturated hydrocarbons must contain
1) A triple or a double covalent bond 3) A single or a double ionic bond
2) A triple or a double ionic bond 4) A coordinate or a hydrogen bond
3. Which series of hydrocarbons may contain unsaturated molecules?
1) Alkane and benzene series 3) Alkene and alkyne series
4) Alkane and alkyne series
2) Alkyl and alkene series
Teacher Preview Copy
Teacher Preview Copy
4. Which general formulas are possible for unsaturated hydrocarbon compounds?
1) CnH2n + 2 and CnH2n 3) CnH2n-2 and CnH2n
4) CnH2n-1 and CnH2n-2
1) CnH2n+1 and CnH2n + 2
5. Organic Prefixes: Relating name prefix to number of carbon
1. How many carbon atoms is in a molecule of pentane?
1) 1 2) 3 3) 5 4) 7
2. Each molecule of butane will contain a total of how many carbon atoms?
1) 2 2) 4 3) 6 4) 8
3. How many carbons atoms are in each molecule of octane?
1) 8 2) 7 3) 10 4) 3
4. Which hydrocarbon consists of four carbon atoms?
1) Propane 2) Butyne 3) Pentane 4) Heptyne
5. Which could be the name of a compound with the formula C2H2?
1) Methane 2) Benzene 3) Butane 4) Ethyne
6. What is the correct name for a compound with a molecular formula of C6H14?
1) Propane 2) Pentene 3) Heptane 4) Hexane
7. Given the organic structure below,
Which IUPAC name is possible for a compound with this structure?
1) Methane 2) Ethanol 3) Propene 4) Butanol
8. Which could be the correct name for a hydrocarbon with the following structure?
1) Hexane 2) Pentene 3) Ethene 4) Butene
Copyright©2010 E3 Scholastic Publishing. All Rights Reserved. SurvivingChem.com 291
Topic 10: Organic Chemistry
4. Unsaturated hydrocarbons: Recalling definitions and facts
1. The present of which type of bond between two adjacent carbon atoms is a characteristic of
unsaturated hydrocarbons?
1) A single covalent bond 3) A double covalent bond
2) A single ionic bond 4) A double ionic bond
2. All unsaturated hydrocarbons must contain
1) A triple or a double covalent bond 3) A single or a double ionic bond
2) A triple or a double ionic bond 4) A coordinate or a hydrogen bond
3. Which series of hydrocarbons may contain unsaturated molecules?
1) Alkane and benzene series 3) Alkene and alkyne series
4) Alkane and alkyne series
2) Alkyl and alkene series
Teacher Preview Copy
Teacher Preview Copy
4. Which general formulas are possible for unsaturated hydrocarbon compounds?
1) CnH2n + 2 and CnH2n 3) CnH2n-2 and CnH2n
4) CnH2n-1 and CnH2n-2
1) CnH2n+1 and CnH2n + 2
5. Organic Prefixes: Relating name prefix to number of carbon
1. How many carbon atoms is in a molecule of pentane?
1) 1 2) 3 3) 5 4) 7
2. Each molecule of butane will contain a total of how many carbon atoms?
1) 2 2) 4 3) 6 4) 8
3. How many carbons atoms are in each molecule of octane?
1) 8 2) 7 3) 10 4) 3
4. Which hydrocarbon consists of four carbon atoms?
1) Propane 2) Butyne 3) Pentane 4) Heptyne
5. Which could be the name of a compound with the formula C2H2?
1) Methane 2) Benzene 3) Butane 4) Ethyne
6. What is the correct name for a compound with a molecular formula of C6H14?
1) Propane 2) Pentene 3) Heptane 4) Hexane
7. Given the organic structure below,
Which IUPAC name is possible for a compound with this structure?
1) Methane 2) Ethanol 3) Propene 4) Butanol
8. Which could be the correct name for a hydrocarbon with the following structure?
1) Hexane 2) Pentene 3) Ethene 4) Butene
Copyright©2010 E3 Scholastic Publishing. All Rights Reserved. SurvivingChem.com 291
