Which of the following is the correct IUPAC name?
(i) 3-Ethyl-4, 4-dimethylheptane
(ii) 4,4-Dimethyl-3-ethylheptane
(iii) 5-Ethyl-4, 4-dimethylheptane
(iv) 4,4-Bis(methyl)-3-ethylheptane
The answer is the option (i) 3-Ethyl-4, 4-dimethylheptane
Explanation: According to the IUPAC naming, in case of presence of more than one different types of alkyl groups, they are written in alphabetical order and hence ethyl is written first and then methyl.