Question

4-ethyl-2-methypentane why is it incorrect

Answer 1

Answer:

It is incorrect because according to Iupac rules first priority is given to groups alphabetically.

For eg- In the above mentioned case 'E' comes before 'M' so the numbering will start in a way that ethyl gets smaller number than methyl. Hence the correct name would be 2-ethyl-4-methylpentane

Explanation:

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