# How can I determine NMR splitting pattern?

To find the NMR splitting pattern, for a given hydrogen atom, count how many identical hydrogen atoms are adjacent, and then add one to that number. For example, in

To illustrate this concept with one more example, with propane,

The physics behind NMR splitting has already been explained in an earlier post.

Sometimes things can get tricky when you have molecules where hydrogen atoms are adjacent to two *different* sets of identical hydrogen atoms. If you are interested in this more complex situation, please post in the comments.

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The NMR splitting pattern is determined by the number of adjacent equivalent hydrogen atoms (n+1 rule).

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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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