23. Which one the following best represents the predicted approximate chemical s

Question

23. Which one the following best represents the predicted approximate chemical shift and coupling for the hydrogen(s) indicated with the arrow? 24. What can be determined from the relative abundance of the M^* +1 peak? a) approximate number of hydrogen atoms in a molecule b) approximate number of halogens in the molecule C) approximate number or carbon atoms in the molecule d) approximate number of oxygen atoms in the molecule c) none of the above 25. IR evidence for the C=C would be most difficult to detect in the case presence of which of these alkenes?

Explanation / Answer

23) D

24) C

25)D

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