What is the correct systematic name for the compound shown above?
A - VCE - SSCE Chemistry - Question 2 - 2016 - Paper 1
Question 2
What is the correct systematic name for the compound shown above?
A. 4-methyl-5-ethylhexane
B. 2-ethyl-3-methylhexane
C. 4,5-dimethylpentane
D. 3,4-dimethylhepta... show full transcript
Worked Solution & Example Answer:What is the correct systematic name for the compound shown above?
A - VCE - SSCE Chemistry - Question 2 - 2016 - Paper 1
Step 1
Identify the longest carbon chain
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Answer
The longest carbon chain in the compound consists of seven carbon atoms (heptane), making it the base name of the compound.
Step 2
Identify and number substituents
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Answer
The substituents attached to the heptane chain are two methyl groups located on the 3rd and 4th carbon atoms. Start numbering from the end of the chain nearest to the first substituent.
Step 3
Combine substituents with the base name
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Answer
Since the substituents identified are both methyls, the full name becomes 3,4-dimethylheptane.
Step 4
Select the correct answer
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Answer
The correct systematic name for the compound is D. 3,4-dimethylheptane.
