The name of the compound with structure:
H3C—CH—CH2—C—CH3
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O
is
A - Scottish Highers Chemistry - Question 12 - 2015
Question 12
The name of the compound with structure:
H3C—CH—CH2—C—CH3
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O
is
A. 2,3-dimethylpentan-4-one
B. 2,3-dimethylpentan-2-al
C. 3,4-dimethylpentan-2-one
D. ... show full transcript
Worked Solution & Example Answer:The name of the compound with structure:
H3C—CH—CH2—C—CH3
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O
is
A - Scottish Highers Chemistry - Question 12 - 2015
Step 1
Identify the functional group
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Answer
The compound contains a carbonyl group (C=O) indicative of a ketone or aldehyde depending on its position within the carbon chain. Here, the carbonyl is located on the second carbon, suggesting that it is a ketone.
Step 2
Determine the longest carbon chain
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Answer
The longest continuous chain of carbon atoms consists of five carbon atoms, making it a pentane derivative.
Step 3
Identify substituents
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Answer
The structure shows two methyl groups attached to the second and third carbons, thus noted as 2,3-dimethyl.
Step 4
Construct the full name
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Answer
Since the carbonyl is on the second carbon in a pentane chain, the name follows as 3,4-dimethylpentan-2-one. Therefore, the full name is 3,4-dimethylpentan-2-one.
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