For Each of the Compounds Below Tell How Many Signals

question 44

Short Answer

For each of the compounds below tell how many signals you would expect the molecule to have in its normal, broadband hydrogen-decoupled ¹³C NMR spectra. Enter the numerical value in the blank provided to the left of the structure.
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Definitions:

Evolution

is the process by which different kinds of living organisms have developed and diversified from earlier forms during the history of the earth.

Ancient Species

A term usually referring to species that have existed on Earth for a very long time and may either be extinct or have modern descendants.

Laurasia

Laurasia refers to the northernmost of two supercontinents (the other being Gondwana) that formed part of the Pangaea supercontinent in late Paleozoic and early Mesozoic times.

Continental Structure

The geological configuration and constituents of continents, including the crust, mantle shelf areas, and tectonic activities.