p-Block elementsHard
Question
Which amongst the following reactions cannot be used for the respective preparation ?
Options
A.2KBr + H2SO4 (conc.) → K2SO4 + 2HBr
B.NaCl + H2SO4 (conc.) → NaHSO4 + HCl
C.NaHSO4 + NaCl → Na2SO4 + HCl
D.CaF2 + H2SO4 → CaSO4 + 2HF
Solution
H2SO4 being oxidising agent oxidises HBr to Br2.
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