sulphuric scid

SULPHURIC ACID

a)      Identify the role played by Conc. Sulphuric acid in the following reactions:

i)        3S + 2H₂SO₄ à 3SO₂ + 2H₂O

ii)      CuSO₄ .5H₂O      CuSO₄ +5H₂O

iii)    C₁₂H₂₂O₁₁   12C + 11H₂O

b)      State your observations seen when:

i)        Conc. Sulphuric acid is added to Copper oxide.

ii)      Dil. Suplhuric acid is added to Barium chloride solution.

iii)    Conc. H₂SO₄ is added to blue copper sulphate.

c)      i) Name the gas released when Sulphur is treated with  Conc. Sulphuric acid.

      ii) Write balanced equation for the conversion of SO₂ to SO₃ in Contact process with conditions        if any.

      Give balanced equations for the reactions :

      iii) dil.H₂SO₄ reacts with ZnO

              iv) Copper to Copper sulphate using Conc. Sulphuric acid