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Which of these was an innovation that accompanied the advent of farming?
Nitro Group
A nitro group is a functional group consisting of a nitrogen atom bonded to two oxygen atoms (−NO2), often contributing to the reactivity of a molecule.
O,p-director
Refers to substituents on an aromatic ring that direct incoming substituents to the ortho and para positions relative to themselves during electrophilic aromatic substitution reactions.
Meta Sigma Complex
A term that is not commonly defined in the field of chemistry, indicating a potential misunderstanding or mislabeling of a concept. NO.
Phenyl Substituent
A functional group consisting of a benzene ring directly attached to the core structure of a molecule, influencing its chemical behavior.
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