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Question

Give IUPAC name:
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  1. 3-Ethyl-4,6-dimethyloctane
  2. 4,6-dimethyl- 3-Ethyl octane
  3. 3,5-dimethyl- 6-Ethyl octane
  4. None of these

A
4,6-dimethyl- 3-Ethyl octane
B
3,5-dimethyl- 6-Ethyl octane
C
3-Ethyl-4,6-dimethyloctane
D
None of these
Solution
Verified by Toppr

It have 8 carbon chain and 2 methyl group are attached at 4 and 6 position
& one ethyl is attached at C-3 and alphabetically 'e" comes first then 'm' so its name is
3-ethyl-4,6-dimethyloctane

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