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Which of the following names are correct as per IUPAC norms?\t2,6,6-trimethyloctane\t3,3,7-trimethyloctane\tPent-4-en-2-yne\tDiethyl ether

Himaja , 10 Years ago
Grade 12
anser 3 Answers
Havishma Haranath

Last Activity: 10 Years ago

The second compound would be the right answer as first one and the third violates the lowest sum rule and the last one is a common name.
 

Harihara Narayanan

Last Activity: 10 Years ago

Lowest locant rule is violated in compunds one and third,fourth is common name and not IUPAC name,hence second compound is the correct answer

Himaja

Last Activity: 10 Years ago

3 and 4 are incorrect. But in case of 1& 2, 1 is given correct in a book reasoning first locant (here methyl group) should get lowest number (3) whereas in 2nd first locant gets 3 which is greater than 2. hence 1 is correct.
Also 2 is given correct in another book reasoning lowest sum rule (3+3+7
But I think 2nd is the correct naming.
Which of the above explanation is correct?

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