Which of the following is the key step in the manufacture of sulphuric acid ?
Which of the following is the key step in the manufacture of sulphuric acid ?
(a) Burning of sulphur or sulphide ores in air to generate SO2
(b) Conversion of SO2 to SO3 by the reaction with oxygen in presence of catalyst.
(c) Absorption of SO3 in H2SO4 to give oleum.
(d) Both (b) and (c)
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(b) The key step in the manufacture of H2 SO4 is catalystic oxidation of SO2 with O2 to give SO3 in presence of V2O5
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