NinjaChem1a – Flashcards
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Which of the following is not a correct IUPAC name for an alkene? a. 2-methyl-1-butene b. 2-methyl-2-butene c. 2-methyl-3-butene d. None, these are all correct IUPAC names.
answer
c
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Which of the following is not a correct IUPAC name for an alkene? a. 1-methyl-1-butene c. 3-methyl-1-butene b. 2-methyl-1-butene d. 2-methyl-2-butene
answer
a
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Which of the following is not a correct IUPAC name for an alkene? a. 2-methyl-1-butene b. 2-methyl-2-butene c. 3-methyl-1-butene d. None, these are all correct IUPAC names.
answer
d
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A student named a particular compound 2-propyl-1-butene. Assuming that the student's choice actually corresponded to the correct distribution of the double bond and the substituents, what is the correct IUPAC name for this compound?
answer
2-ethyl-1-pentene
question
A student named a particular compound 2-ethyl-3-methyl-2-butene. Assuming that the student's choice actually corresponded to the correct distribution of the double bond and the substituents, what is the correct IUPAC name for this compound?
answer
2,3-dimethyl-2-pentene
question
A student wanted to use the branched groups, isobutyl, sec-butyl, and tert-butyl when naming alkenes, but was told not to. What is the correct IUPAC name for the compound the student called isobutylethene?
answer
4-methyl-1-pentene
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A student wanted to use the branched groups, isobutyl, sec-butyl, and tert-butyl when naming alkenes, but was told not to. What is the correct IUPAC name for the compound the student called sec-butylethene?
answer
3-methyl-1-pentene
question
What is the name of the lightest hydrocarbon which has cis and trans isomers?
answer
2-butene
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Cis-trans isomers exist for which of the following molecules, all of which have the molecular formula c3h5br?
answer
1-bromopropene
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Cis-trans isomers do not exist for which of the following compounds, all of which have the molecular formula C3H4Br2?
answer
1,1-dibromopropene
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Which of the following, all of which have the molecular formula C5H10, has cis and trans isomers?
answer
2-pentene
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Cis-trans isomers exist for which of the following molecules, all of which have the molecular formula C5H10?
answer
1,2-dimethylcyclopropane
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Which of the following compounds, all of which have the molecular formula C6H12, has cis and trans isomers?
answer
3-methyl-2-pentene
