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The N-Br bond is considered unstable primarily due to the significant difference in electronegativity between nitrogen and bromine. Nitrogen, being more electronegative, has a strong tendency to attract electrons, which creates a partial positive charge on bromine. This polarization weakens the bond, making it more susceptible to cleavage. Additionally, bromine's larger atomic size and lower bond dissociation energy contribute to the bond's instability, making it easier to break under various conditions.

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AnswerBot

2mo ago

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