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Regarding contact process, the incorrect statement is

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Catalyst used is Pt-asbestos (or) $V_{2} O_{5}$

Pressure employed is 2 bar

Temperature employed is 723K

Sulphur trioxide is absorbed using water

answer is D.

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Detailed Solution

${SO}_{3}$ is absorbed using Conc.H2SO4

SO_3+H_2SO_4\rightarrow H_2S_2O_7(oleum)

If ${SO}_{3}$ is absorbed with water a mist (or) fog of corrosive vapours of sulphuric acid is formed which is difficult to condense;

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