Examlex
Which of the following is not primarily a consumer service?
Ortho
In chemistry, a designation used in nomenclature to indicate adjacent or 1,2- substitution in the structure of benzene ring compounds.
Para
In organic chemistry, this term refers to the positioning of substituents on an aromatic ring where two groups are separated by two carbon atoms, leading to a 1,4-relationship.
Bromination of Benzene
A chemical reaction where bromine is added to benzene, typically requiring a catalyst like iron bromide, to form bromobenzene.
Carbanionic Intermediate
A transient species in organic chemistry featuring a carbon atom bearing a negative charge; it plays a crucial role in various chemical reactions.
Q12: According to the map of world rice
Q19: If NASA sends a space probe into
Q27: Apply the insights on the diffusion of
Q29: Discuss an example of a bulk-reducing (or
Q45: As components of group identity and cultural
Q74: Geographers might characterize as overpopulated a country
Q82: A language that was nearly extinct in
Q87: This map of railway diffusion indicates that
Q87: The frequency of periodic markets varies by
Q100: If your community or home town were