s-Block ElementsHard
Question
Which one of the following products is formed when a mixture of steam, sulphur dioxide gas and oxygen gas (from air) is passed over dry lumps of common salt, the sodium chloride ?
Options
A.Na2SO3
B.Cl2
C.NaHSO3
D.Na2SO4
Solution
Hargreaves process.
4NaCl (s) + 2SO2 (g) + 2H2O (g) + O2 (g) → 2Na2SO4 + 4HCl.
4NaCl (s) + 2SO2 (g) + 2H2O (g) + O2 (g) → 2Na2SO4 + 4HCl.
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