Write the structure for each of the following compounds. Check whether the naming is correct or incorrect based on the IUPAC name system. If it is wrong, state the error, then write the correct name.
e. 1,3-dimethylcyclopropane
f.1-methyl-2-ethylcyclopropane
g. 3-methyl-1,3-butadiene
h. 3-butuna
i. 2,3-fluoropropane
j. 4-bromo-3-methylbutane
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e. The name 1,3-dimethylcyclopropane is correct. The structure is a three-carbon ring (cyclopropane) with a methyl group (CH3) attached to the first and third carbon.
f. The name 1-methyl-2-ethylcyclopropane is correct. The structure is a three-carbon ring (cyclopropane) with a methyl group (CH3) attached to the first carbon and an ethyl group (C2H5) attached to the second carbon.
g. The name 3-methyl-1,3-butadiene is incorrect. The correct name should be 2-methyl-1,3-butadiene. The structure is a four-carbon chain with two double bonds (butadiene) and a methyl group (CH3) attached to the second carbon.
h. The name 3-butuna is incorrect. The correct name should be 1-butyne. The structure is a four-carbon chain with a triple bond between the first and second carbon.
i. The name 2,3-fluoropropane is incorrect. The correct name should be 2,2-difluoropropane. The structure is a three-carbon chain (propane) with two fluorine atoms attached to the second carbon.
j. The name 4-bromo-3-methylbutane is correct. The structure is a five-carbon chain (butane) with a bromine atom attached to the fourth carbon and a methyl group (CH3) attached to the third carbon.
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