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Question

The IUPAC name of this compound is?


A

3-Ethyl-4,4-dimethylheptane

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B

1,1-Diethyl-2,2-dimethylpentane

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C

4,4-Dimethyl-5,5-diethylpentane

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D

5,5-Diethyl-4,4-dimethylpentane

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Solution

The correct option is A

3-Ethyl-4,4-dimethylheptane


First, check the parent chain.

Now, give numbers such that the more substituted substituent will get the lowest number.


Parent chain
7 carbon hept (word root)

Single bonds ane (suffix

substituent at C3 and C4 3-ethyl-4,4-dimethyl(alphabetically)

Therefore, 3-Ethyl-4,4-dimethylheptane


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