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Which of the Following Statements Is True

question 127

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Which of the following statements is true?


Definitions:

Sigma Complex

An intermediate in certain chemical reactions characterized by a covalent bond (sigma bond) between the reactant and a metal atom from the catalyst.

Nitroacetophenone

An organic compound containing both a nitro group and an acetyl group attached to a benzene ring, used in the synthesis of dyes and pharmaceuticals.

Bromination

A chemical reaction involving the addition of bromine (Br2) to organic compounds, typically to add bromine atoms or convert double bonds into Br-containing derivatives.

Bromobenzene

An aromatic bromine compound used frequently in organic synthesis, as a bromination precursor for making various organic products.

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