Problem: How many unique 1H NMR and 13C NMR signals exist for each compound?

FREE Expert Solution

For this problem, observe symmetry since similar C and Hs will exhibit the same signal if they are identical atomically

Take note that the interaction of the groups between the double bonds also exist.

a. 

Structure is symmetrical horizontally

1H signal → 2 

13C signal → 3


b. 

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Problem Details

How many unique 1H NMR and 13C NMR signals exist for each compound?