The gas that is liberated when iron is heated with concentrated tetraoxosulphate (VI)acid is
-
A.
H2S -
B.
(SO_{2}) -
C.
HCI -
D.
SO3 -
E.
O2
Correct Answer: Option B
Explanation
2Fe (s) + 6H2SO4 (l) → Fe2(SO4)3 (aq) + 3SO2 (g) + 6H2O (l)
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