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Multiple Choice
What is the correct IUPAC name for the compound with the formula ?
A
Bromobenzene
B
Bromoethane
C
Bromomethane
D
Chloromethane
Verified step by step guidance
1
Identify the molecular formula given: CBrI. This indicates the compound contains carbon (C), bromine (Br), and iodine (I).
Determine the structure of the compound based on the formula. Since there is only one carbon atom, the compound is a substituted methane derivative.
Recall the IUPAC naming rules for haloalkanes: the parent name is based on the number of carbon atoms (methane for one carbon), and halogen substituents are named as prefixes in alphabetical order.
Assign the correct prefixes for the halogen substituents: 'bromo' for bromine and 'iodo' for iodine. Since both are attached to the same carbon, list them alphabetically as 'bromo' then 'iodo'.
Combine the prefixes with the parent name to form the full IUPAC name: 'bromoiodomethane'. This is the correct systematic name rather than just 'bromomethane' or 'bromobenzene'.