Question

How many singlets are expected in the 1h nmr spectrum of 2,2,4,4-tetramethylpentane? 1 4 3 2

Answer 1

Answer: Two singlets.

Explanation:

The methyl groups are all equivalent with no neighbors, so they all give rise to only 1 peak.

There is a methylene group that gives rise to another peak.

So the total is 2 singlets.