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REDOX REACTIONS AND ELECTROCHEMISTRY
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Question
Why does conc. H2SO4 with chloride give HCl gas but with bromide gives bromine vapor?
A. Because HBr is unstable
B. Because Br⁻ is stronger reducing agent than Cl⁻ and reduces H2SO4 to SO2
C. Because chlorine is more electronegative
D. Because H2SO4 oxidizes Br⁻ but not Cl⁻
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