Regarding contact process, the incorrect statement is
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a
Catalyst used is Pt-asbestos (or) V2O5
b
Pressure employed is 2 bar
c
Temperature employed is 723K
d
Sulphur trioxide is absorbed using water
answer is D.
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Detailed Solution
SO3 is absorbed using Conc.H2SO4If SO3 is absorbed with water a mist (or) fog of corrosive vapours of sulphuric acid is formed which is difficult to condense;