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What is the correct systematic name for the following compound? A - VCE - SSCE Chemistry - Question 10 - 2010 - Paper 1

Question 10

What is the correct systematic name for the following compound? A. 2-ethyl-3-methylpentane B. 3-methyl-4-ethylpentane C. 3,4-dimethylhexane D. 2,3-diethylbutane

Worked Solution & Example Answer:What is the correct systematic name for the following compound? A - VCE - SSCE Chemistry - Question 10 - 2010 - Paper 1

Step 1

Identify the Longest Carbon Chain

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Answer

First, identify the longest continuous chain of carbon atoms in the compound, which serves as the backbone. Here, the longest chain consists of six carbon atoms, hence it is a hexane.

Step 2

Number the Carbon Chain

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Next, number the carbon chain from the end nearest to a substituent. This will ensure the lowest numbers for the substituents. Assign numbers to the carbon atoms from 1 to 6.

Step 3

Identify and Name the Substituents

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Answer

In this structure, there are two substituents: two ethyl groups at positions 2 and 3. Since they appear before the main chain name, they should be indicated as '2,3-diethyl'.

Step 4

Combine Names for Full Systematic Name

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Answer

Finally, combine the substituents with the base name of the longest chain. The complete systematic name for the compound is '3,4-dimethylhexane'.

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Questions answered

What is the correct systematic name for the following compound? A - VCE - SSCE Chemistry - Question 10 - 2010 - Paper 1

Worked Solution & Example Answer:What is the correct systematic name for the following compound? A - VCE - SSCE Chemistry - Question 10 - 2010 - Paper 1

Identify the Longest Carbon Chain

Number the Carbon Chain

Identify and Name the Substituents

Combine Names for Full Systematic Name

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