What is the IUPAC name of the following compound?
F Cl
| |
F - C - C - H
| |
F Br
(A) 1-bromo-1-chloro-2,2,2-trifluoroethane
(B) 1-chloro-1-bromo-2,2,2-trifluoroethane
(C) 2-chloro-2-bromo-1,1,1-trifluoroethane
(D) 2-bromo-2-chloro-1,1,1-trifluoroethane - HSC - SSCE Chemistry - Question 11 - 2016 - Paper 1
Question 11
What is the IUPAC name of the following compound?
F Cl
| |
F - C - C - H
| |
F Br
(A) 1-bromo-1-chloro-2,2,2-trifluoroethane
(B) 1-chloro-1-... show full transcript
Worked Solution & Example Answer:What is the IUPAC name of the following compound?
F Cl
| |
F - C - C - H
| |
F Br
(A) 1-bromo-1-chloro-2,2,2-trifluoroethane
(B) 1-chloro-1-bromo-2,2,2-trifluoroethane
(C) 2-chloro-2-bromo-1,1,1-trifluoroethane
(D) 2-bromo-2-chloro-1,1,1-trifluoroethane - HSC - SSCE Chemistry - Question 11 - 2016 - Paper 1
Step 1
Identify the substituents and structure
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Answer
In the provided compound, we have two carbon atoms (C) as part of the main chain. The first carbon has a fluorine (F) and a bromine (Br) substituent, and the second carbon has a fluorine (F) and a chlorine (Cl) substituent.
Step 2
Determine the IUPAC naming order
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Answer
According to IUPAC nomenclature rules, we should name the substituents alphabetically. The order is: Bromo (Br) comes before Chloro (Cl), and for each carbon, the position of substituents needs to be indicated.
Step 3
Provide the complete IUPAC name
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Answer
The IUPAC name for this compound is 2-bromo-2-chloro-1,1,1-trifluoroethane. This corresponds to option (D).
