Degrees of Unsaturation Video Lessons

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Concept:

Problem: How many degrees of unsaturation does this compound have?

FREE Expert Solution

We’re being asked to determine the degrees of unsaturation for the given structure:



Recall that the degrees of unsaturation or index of hydrogen deficiency (IHD) tell us how many hydrogens are missing in a structure.


In a given structure, the IHD is:

Rings: +1

Double bonds: +1

Triple bonds: +2


For a given structure, we simply need to determine the number of rings, double and triple bonds to determine the IHD.


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Problem Details

How many degrees of unsaturation does this compound have?

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