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- 1. Multiple Choice
Which of the following statements concerning the reaction of methane with bromine is/are correct?
(1) It is an addition reaction.
(2) It is a substitution reaction.
(3) A similar reaction will occur if propane is used instead of methane.
(1) only
(2) only
(1) and (3) only
(2) and (3) only
- 2. Multiple ChoiceWhat is the general formula for saturated hydrocarbons?CnH2nCnHn+1CnH2n+1CnH2n+2
- 3. Multiple Choice
In organic chemistry, commas separate....
numbers
names from numbers
- 4. Multiple ChoiceIn organic chemistry, dashes separate....numbersnames from numbers
- 5. Multiple Choice
Which is the structures with IUPAC nomenclature
2,2,4-trimethylpentane
- 6. Multiple Choice
Give the IUPAC name for this compound
3-methyl-4-ethylhexane
3-ethyl-4-methylhexane
3-methyl-4-ethylheptane
3-ethyl-4-methylheptane
- 7. Multiple ChoiceWhy do alkane not dissolve in water?they are less dense than waterthey have low melting pointsthey are non-polar compoundsthey are chemically less reactive
- 8. Multiple Choice
Give IUPAC nomenclature for this compound
2,7-dimethyl-5-ethyloctane
5-ethyl-2,7-dimethyloctane
2,7-dimethyl-3-ethyloctane
4-ethyl-2,7-dimethyloctane
- 9. Multiple ChoiceIf an alkane has 20 carbon atoms, how many hydrogen atoms will it have?20224042
- 10. Multiple ChoiceHydrocarbons are compounds that containCarbon, onlyCarbon and Hydrogen, onlyCarbon, Oxygen, and Hydrogen, onlyCarbon, Oxygen, Hydrogen, and Nitrogen, only
- 11. Multiple ChoiceMethyl has the molecular formulaCH4CH3CHCH2
- 12. Multiple ChoiceThe longer the hydrocarbon, the _______ the boiling pointLowerHigher
- 13. Multiple ChoiceWhat is the exam definition of saturated?No single bondsContains a double bondNo single bonds, all double bondsNo double bonds, all single bonds
- 14. Multiple ChoiceWhich formula represents a saturated hydrocarbon?ABCD
- 15. Multiple Choice
Which correctly represents an incomplete combustion of pentane?
C5H12 + 8O2 ⟶ 5CO2 + 6H2O
C5H12 + 8O2 ⟶ 4CO + CO2 + 6H2O
C5H12 + 6O2 ⟶ 4CO + CO2 + 6H2O
C5H12 + 5O2 ⟶ 4CO + CO2 + 4H2O + 2H2
- 16. Multiple Choice
Which equation represents a termination step?
- 17. Multiple Choice
The boiling points of alkane molecules increase as their molecular sizes increase.
True
False
- 18. Multiple Choice
Which of the following has the highest boiling point?
heptane
pentane
nonane
- 19. Multiple Choice
Which step is this in the synthesis of chloroalkanes?
Termination
Initiation
Propagation
Position
- 20. Multiple Choice2,3-dimethyl-4,4-diethyl heptane2,3-methyl-4,4-ethyl heptane4,4-ethyl-2,3-methyl heptane4,4-diethyl-2,3-dimethyl heptane
- 21. Multiple ChoiceWhy do alkane not dissolve in water?they are less dense than waterthey have low melting pointsthey are non-polar compoundsthey are chemically less reactive
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