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Topic 10: Organic Chemistry
21. Names of organic compounds: Determining correct name from molecular formula
1. Which compound has the formula C6H10?
1) Hexane 2) Hexene 3) Hexyne 4) Hexanal
2. C3H8 is a molecular formula for
1) Propene 2) Propanol 3) Propyne 4) Propane
3. What is the IUPAC name of a compound whose molecular formula is C5H8?
1) 2-methyl pentane 2) 2-methyl pentene 3) Pentane 4) Pentyne
4. The formula CH3CH(CH3)CH2CH2CH3 is a molecular formula for which compound?
1) 2-methyl pentane 2) 2-methyl hexane 3) hexane 4) Pentane
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5. Which compound has the molecular formula CH3Cl? 4) Chloroethane
3) Chloromethane
1) Ethane
2) Methane
6. Which IUPAC is correct for CH3CH2CHBrCH3?
1) 1-Bromobutane 2) 2-bromobutane 3) 3-bromobutane 4) Bromopropane
7. The molecular formula CH3CHCHCl2 represents the formula for which compound?
1) 2-chloropropane 2) 3-chloropropane 3) Dichloropropane 4) Dichloropropene
8. Which organic compound is represented by the molecular formula C4H9OH?
1) Butanol 2) Butanoic acid 3) Butane 4) Butanal
9. CH3CH(OH)CH3 is a formula for 3) 3-Propanol 4) methyl propanol
2) 2 Propanol
1) Propanol
10. Which compound has the formula CH3CH2COOH ?
1) Propanoic acid 2) Propanal 3) 2-propanol 4) 2- propanone
11. What is the IUPAC name of a compound with the formula CH3COOCH3?
1) Methyl ethyl ether 2) Methyl ethanoate 3) Propanoic acid 4) Propanol
12. Which compound is represented by the formula CH3OCH3?
1) Methyl methanoate 2) Ethanoate acid 3) Dimethyl ether 4) Diethyl ether
13. Which name is correct for a compound with a molecular formula C3H6(OH)2?
1) 2-propanol
3) Propanetriol
4) Propanediol
2) 1-propanol
14. The IUPAC name of a compound with the formula CH3CH2CHO is
1) Propanoic acid 2) Propanone 3) Propanol 4) Propanal
15. The compound represented by the formula CH3COCH2CH3 is
1) 2-Butanone 2) 2-butanol 3) Dimethyl ether 4) Methyl ethanoate
16. The formula CH3CH2NH2 is a molecular formula for
1) Ethanamine 2) Ethaneamide 3) Propanamine 4) Propanamide
17. The compound CH3CH2COOCH3 is an example of
1) An ether 2) An alcohol 3) An ester 4) An acid
302 Copyright © 2010 E3 Scholastic Publishing. All Rights Reserved. Survivingchem.com
Topic 10: Organic Chemistry
21. Names of organic compounds: Determining correct name from molecular formula
1. Which compound has the formula C6H10?
1) Hexane 2) Hexene 3) Hexyne 4) Hexanal
2. C3H8 is a molecular formula for
1) Propene 2) Propanol 3) Propyne 4) Propane
3. What is the IUPAC name of a compound whose molecular formula is C5H8?
1) 2-methyl pentane 2) 2-methyl pentene 3) Pentane 4) Pentyne
4. The formula CH3CH(CH3)CH2CH2CH3 is a molecular formula for which compound?
1) 2-methyl pentane 2) 2-methyl hexane 3) hexane 4) Pentane
Teacher Preview Copy
Teacher Preview Copy
5. Which compound has the molecular formula CH3Cl? 4) Chloroethane
3) Chloromethane
1) Ethane
2) Methane
6. Which IUPAC is correct for CH3CH2CHBrCH3?
1) 1-Bromobutane 2) 2-bromobutane 3) 3-bromobutane 4) Bromopropane
7. The molecular formula CH3CHCHCl2 represents the formula for which compound?
1) 2-chloropropane 2) 3-chloropropane 3) Dichloropropane 4) Dichloropropene
8. Which organic compound is represented by the molecular formula C4H9OH?
1) Butanol 2) Butanoic acid 3) Butane 4) Butanal
9. CH3CH(OH)CH3 is a formula for 3) 3-Propanol 4) methyl propanol
2) 2 Propanol
1) Propanol
10. Which compound has the formula CH3CH2COOH ?
1) Propanoic acid 2) Propanal 3) 2-propanol 4) 2- propanone
11. What is the IUPAC name of a compound with the formula CH3COOCH3?
1) Methyl ethyl ether 2) Methyl ethanoate 3) Propanoic acid 4) Propanol
12. Which compound is represented by the formula CH3OCH3?
1) Methyl methanoate 2) Ethanoate acid 3) Dimethyl ether 4) Diethyl ether
13. Which name is correct for a compound with a molecular formula C3H6(OH)2?
1) 2-propanol
3) Propanetriol
4) Propanediol
2) 1-propanol
14. The IUPAC name of a compound with the formula CH3CH2CHO is
1) Propanoic acid 2) Propanone 3) Propanol 4) Propanal
15. The compound represented by the formula CH3COCH2CH3 is
1) 2-Butanone 2) 2-butanol 3) Dimethyl ether 4) Methyl ethanoate
16. The formula CH3CH2NH2 is a molecular formula for
1) Ethanamine 2) Ethaneamide 3) Propanamine 4) Propanamide
17. The compound CH3CH2COOCH3 is an example of
1) An ether 2) An alcohol 3) An ester 4) An acid
302 Copyright © 2010 E3 Scholastic Publishing. All Rights Reserved. Survivingchem.com
