Question on: WAEC Chemistry - 1990
The gas that is liberated when iron is heated with concentrated tetraoxosulphate (VI)acid is
A
H2S
B
\(SO_{2}\)
C
HCI
D
SO3
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Correct Option: B
2Fe (s) + 6H2SO4 (l) → Fe2(SO4)3 (aq) + 3SO2 (g) + 6H2O (l)
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