SO_3+H_2SO_4(98%)→(Oleum)H_2S_2O_7 Oleum is sulphuric acid containing excess SO_3. On adding water, nbsp; the excess SO_3 dissolves in it to form sulphuric ac ...

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Standard XII

Chemistry

Silicones

H2S2O7+H2O→ ?

Question

$H_{2} S_{2} O_{7} + H_{2} O \to ?$

S O_{2} + H_{2} O

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S O_{3} + H_{2} S

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H_{2} S O_{4}

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None of these

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Solution

The correct option is C $H_{2} S O_{4}$
$S O_{3} + H_{2} S O_{4} (98 %) \to H_{2} S_{2} O_{7} (Oleum)$
Oleum is sulphuric acid containing excess $S O_{3}$ . On adding water, the excess $S O_{3}$ dissolves in it to form sulphuric acid.
$H_{2} S_{2} O_{7} (Oleum) + H_{2} O \to 2 H_{2} S O_{4}$

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Similar questions

Q. Consider the following equation.

H_{2} S_{2} O_{7} + H_{2} O \to (A)

When compound (A) is allowed to react with

P_{2} O_{5}

, compound (C) is formed. How many

p_{π} - d_{π}

bonds are present in compound (C).

Q. Consider the following equation

H_{2} S_{2} O_{7} + H_{2} O \to (A)

When compound (A) is akkowed to react with

P_{2} O_{5}

, compound (C) is formed. How many

d_{π} - p_{π}

bonds are present in compound (C).

Q. Find the oxidation states of S atoms in the following compounds and arrange them in decreasing order of maximum O.S. shown by S in them:

Q. Atomicity of oleum

(H_{2} S_{2} O_{7})

is:

Q. Write the structure of Oelum

(H_{2} S_{2} O_{7})

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H2S2O7+H2O→?

The correct option is C H2SO4SO3+H2SO4(98%)→H2S2O7(Oleum) Oleum is sulphuric acid containing excess SO3. On adding water, the excess SO3 dissolves in it to form sulphuric acid. H2S2O7(Oleum)+H2O→2H2SO4

$H_{2} S_{2} O_{7} + H_{2} O \to ?$

The correct option is C $H_{2} S O_{4}$
$S O_{3} + H_{2} S O_{4} (98 %) \to H_{2} S_{2} O_{7} (Oleum)$
Oleum is sulphuric acid containing excess $S O_{3}$ . On adding water, the excess $S O_{3}$ dissolves in it to form sulphuric acid.
$H_{2} S_{2} O_{7} (Oleum) + H_{2} O \to 2 H_{2} S O_{4}$