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Q.

In the preparation of H2SO4, by Contact process V2O5 is used as a catalyst in the reaction.

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a

SO3+H2OH2SO4

b

SO3+H2SO4H2S2O7

c

SO2+O22SO3

d

S+O2SO2

answer is D.

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Detailed Solution

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In the contact process ,for the manufacturing of H2SO4, V2O5 is used to as a catalyst for the oxidation of SO2 to SO3

2SO2(g)+ O2(g)    V2O52SO3(g)

The production of SO3​ is used to make H2​SO4 on industrial scale .

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