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________ powers exist when both the state and national governments share authority in certain domains.
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.
Stepwise Mechanism
A reaction mechanism in which the overall reaction occurs through a sequence of individual steps, each with its own transition state and intermediates.
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