What is the name of this compound?
A - HSC - SSCE Chemistry - Question 3 - 2017 - Paper 1
Question 3
What is the name of this compound?
A. 2-chloro-1-fluorobutane
B. 3-chloro-4-fluorobutane
C. 1-fluoro-2-chlorobutane
D. 4-fluoro-3-chlorobutane
Worked Solution & Example Answer:What is the name of this compound?
A - HSC - SSCE Chemistry - Question 3 - 2017 - Paper 1
Step 1
Identify the structure and substituents in the compound
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Answer
The compound consists of a butane chain (four carbon atoms) with two substituents: a chlorine (Cl) and a fluorine (F) atom. The positions of these substituents are crucial for naming the compound correctly.
Step 2
Determine the correct numbering of the carbon chain
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Answer
Start numbering the carbon chain from the end nearest to the substituents. In this case, if we number from the left, the Cl is on carbon 2 and the F is on carbon 1.
Step 3
Name the compound using IUPAC nomenclature
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Answer
Following the IUPAC rules, the compound is named 2-chloro-1-fluorobutane, as chlorine is listed before fluorine in the name.
Step 4
Select the correct answer from the options
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Answer
The correct name of the compound is therefore A. 2-chloro-1-fluorobutane.
