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A hydrocarbon of unknown structure has the formula C9H11N. If we hydrogenate the unknown compound over...

A hydrocarbon of unknown structure has the formula C9H11N. If we hydrogenate the unknown compound over Lindlar catalyst, only 1 equivalent of H2 is absorbed. If we hydrogenate the unknown compound over a Pd/C catalyst, 4 equivalents of H2 are absorbed. Using this information, answer the questions below.

a) How many degrees of unsaturation are present in the unknown compound? (Show your work)

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