p-Block elementsMedium
Question
Which of the following salts will evolve halogen on treatment with conc. H2SO4 ?
Options
A.NaCl
B.KI
C.NaBr
D.none of these
Solution
NaBr/NaI + H2SO4 → Br2/I2 + SO2 + NaHSO4 + H2O
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