p-Block elementsHard

Question

Na2S2O5 + HCl → NaHSO3 + NaCl + [X] ; X is :

Options

A.H2SO4
B.Na2S2O3
C.SO2
D.Na2SO4

Solution

Na2S2O5 + HCl → NaHSO3 + NaCl + SO2.

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