The four classes of hydrocarbons are?
...The four classes of hydrocarbons are?
ethane, ethene, ethyne and benzene
alkanes, alkenes, alkynes and aromatics
alkanes, alkenes, alkynes and benzene
methane, ethane , propane and butane
Correct answer is B
No explanation has been provided for this answer.
The diagram above represents an atom of ...
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