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Si + 2Br2 = SiBr4 (æ) + 433 êÄæ

2Fe + 3Br2 = 2FeBr3 + 538 êÄæ

H2 + Br2 = 2HBr (ã) + 73 êÄæ

6KBr + K2Cr2O7 + 7H2SO4 = 3Br2 + Cr2(SO4)3 + 4K2SO4 + 7H2O

AgBr + 2Na2S2O3 = Na3[Ag(S2O3)2] + NaBr

 

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