Reactions of group (IV) elements with sulphuric acid
Reactions of group (IV) elements with sulphuric acid
Dilute sulphuric acid
C, Si and Ge do not react.
Sn and Pb reacts dilute concentrated sulphuric acid liberating hydrogen.
Pb (s) + H2SO4(aq) → PbSO4(s) + H2(g)
The reaction of lead with sulphuric acid is short lived due to formation of insoluble lead (II) sulphate
With hot Concentrated sulphuric acid
C, Si and Ge react to form dioxides
C(s) + 2H2SO4(aq) → CO2(g) + 2SO2(g) +2H2O(l)
Sn and Pb reacts hot concentrated sulphuric acid liberating sulphur dioxide .
Pb(s) + 2H2SO4(aq) → PbSO4(s) + SO2(g) +2H2O(l)
Sn(s) + 2H2SO4(aq) → SnSO4(s) + SO2(g) +2H2O(l)
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CATEGORIES Inorganic chemistry questions
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