GKFix MCQ 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⁻