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Raoult's Law

In the prepar...

Question

In the preparation of $H_{2} S O_{4}$ by Contact Process, why is $S O_{3}$ not absorbed directly in water to form $H_{2} S O_{4}$ ?

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Solution

Acid fog is formed, which is difficult to condense.

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Similar questions

In contact process why SO3 is not directly converted to H2SO4 instead there are two more steps to convert it

Why sulphur trioxide formed in absorption tower in contact process is not absorbed directly in water

Q. Manufacture of sulphuric acid by contact process involves dissolution of

S O_{3}

H_{2} S O_{4}

and not in water. Justify.

Q. Sulphuric acid is manufactured by the Contact process.
(a) Give two balanced equations to obtain

S O_{2}

in this process.
(b) Give the conditions for the oxidation of

S O_{2}

H_{2} S O_{4}

not obtained by directly reacting

S O_{3}

with water?
(d) Name the chemical used to dissolve

S O_{3}

and name also the product formed.
(e) Give all the main reactions to this process.
[5 MARKS]

To produce sulphuric acid by contact process they use h2so4 instead of water why?

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