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. Topic 10: Organic Chemistry
20. Names of organic compounds: Determining correct name from general formulas
1. Which compound is classified as a hydrocarbon?
1) Chloroethane 2) Ethanol 3) Ethanoic acid 4) Ethane
2. Which compound is a hydrocarbon? 3) Butanal 4) Hexanol
1) Pentanone
2) Heptyne
3. Which compound is a saturated hydrocarbon?
1) Decyne 2) Decane 3) Ethene 4) Ethanol
4. Which compound is a saturated hydrocarbon?
Teacher Preview Copy
1) Chlorohexane 2) Hexanol 3) Hexene 4) Hexane
5. Which compound is an unsaturated hydrocarbon?
1) Propene 2) Methanol 3) dibromoethane 4) Propane
6. Which of the following compounds would contain one double bond between two carbon atoms?
4) Chloroethane
1) Dimethyl ether
2) Heptene
3) Pentanol
7. Which compound would have a triple bond between two adjacent carbon atoms? 4) 2 –pentene
2) 3-octyne
3) 2-methyl propane
1) 1, 3- dimethyl butane
8. Which hydrocarbon is a member of organic compound class with the general formula CnH2n-2?
3) Propyne
2) Benzene
1) Heptane Teacher Preview Copy 4) Butene
9. Which compound is a member of a hydrocarbon series with a general formula CnH2n+2?
1) Propanal 2) Pentene 3) Pentane 4) Pentene
10. The compound belonging to a hydrocarbon series with a general formula CnH2n is
1) 2-hexene 2) 2-methyl hexene 3) 2-Butyne 4) Butane
11. Which compound belongs to a class of organic compound with the general formula of R-OH?
3) Pentene
2) Propanol
4) Pentanal
1) Propane
12. Then name of which compound is from a class of compound with the general formula R-CHO?
1) Methanal 2) Methanol 3) Methane 4) Methanoic
13. The structural formula of which compound will contain the functional group –COOH
1) Methyl ethanoate 2) 2-pentanol 3) 2-pentanone 4) Butanoic acid
O
II
14. The structure of which compound contains the functional group –C – O –
1) Dimethyl ether 2) Propanone 3) Methyl Butanoate 4) Ethanoic acid
15. Which IUPAC name belongs to a class of organic with the general formula of R – O – R’ ?
3) Pentanal
4) Ethanoic acid
2) 2-hexanol
1) Dimethyl ether
16. The structure of which organic compound contains elements N and O?
1) 1-butanamide 2) Butanamine 3) Methane butanoate 4) Butanal
Copyright©2010 E3 Scholastic Publishing. All Rights Reserved. SurvivingChem.com 301
20. Names of organic compounds: Determining correct name from general formulas
1. Which compound is classified as a hydrocarbon?
1) Chloroethane 2) Ethanol 3) Ethanoic acid 4) Ethane
2. Which compound is a hydrocarbon? 3) Butanal 4) Hexanol
1) Pentanone
2) Heptyne
3. Which compound is a saturated hydrocarbon?
1) Decyne 2) Decane 3) Ethene 4) Ethanol
4. Which compound is a saturated hydrocarbon?
Teacher Preview Copy
1) Chlorohexane 2) Hexanol 3) Hexene 4) Hexane
5. Which compound is an unsaturated hydrocarbon?
1) Propene 2) Methanol 3) dibromoethane 4) Propane
6. Which of the following compounds would contain one double bond between two carbon atoms?
4) Chloroethane
1) Dimethyl ether
2) Heptene
3) Pentanol
7. Which compound would have a triple bond between two adjacent carbon atoms? 4) 2 –pentene
2) 3-octyne
3) 2-methyl propane
1) 1, 3- dimethyl butane
8. Which hydrocarbon is a member of organic compound class with the general formula CnH2n-2?
3) Propyne
2) Benzene
1) Heptane Teacher Preview Copy 4) Butene
9. Which compound is a member of a hydrocarbon series with a general formula CnH2n+2?
1) Propanal 2) Pentene 3) Pentane 4) Pentene
10. The compound belonging to a hydrocarbon series with a general formula CnH2n is
1) 2-hexene 2) 2-methyl hexene 3) 2-Butyne 4) Butane
11. Which compound belongs to a class of organic compound with the general formula of R-OH?
3) Pentene
2) Propanol
4) Pentanal
1) Propane
12. Then name of which compound is from a class of compound with the general formula R-CHO?
1) Methanal 2) Methanol 3) Methane 4) Methanoic
13. The structural formula of which compound will contain the functional group –COOH
1) Methyl ethanoate 2) 2-pentanol 3) 2-pentanone 4) Butanoic acid
O
II
14. The structure of which compound contains the functional group –C – O –
1) Dimethyl ether 2) Propanone 3) Methyl Butanoate 4) Ethanoic acid
15. Which IUPAC name belongs to a class of organic with the general formula of R – O – R’ ?
3) Pentanal
4) Ethanoic acid
2) 2-hexanol
1) Dimethyl ether
16. The structure of which organic compound contains elements N and O?
1) 1-butanamide 2) Butanamine 3) Methane butanoate 4) Butanal
Copyright©2010 E3 Scholastic Publishing. All Rights Reserved. SurvivingChem.com 301
