The gas that is liberated when iron is heated with concentrated tetraoxosulphate (VI)acid is

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Chemistry WAEC 1990

The gas that is liberated when iron is heated with concentrated tetraoxosulphate (VI)acid is

  • H2S
  • \(SO_{2}\) checkmark
  • HCI
  • SO3
  • O2

The correct answer is: B

Explanation

2Fe (s) + 6H2SO4 (l) → Fe2(SO4)3 (aq) + 3SO2 (g) + 6H2O (l)

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