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Sulphuric aci...

Question

Sulphuric acid is formed when __________ reacts with water.

A

S O_{2}

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B

S

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C

S O_{3}

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D

O_{2}

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Solution

The correct option is C $S O_{3}$
When sulfur trioxide reacts with water, sulfuric acid is formed and this is represented by the following equation
$S O_{3} (g) + H_{2} O (l) ⟶ H_{2} S O_{4} (l)$

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Similar questions

S + O_{2} ⟶ S O_{2}

Δ H = - 398.2 k J

S O_{2} + \frac{1}{2} O_{2} ⟶ S O_{3}

Δ H = - 98.7 k J

S O_{3} + H_{2} O ⟶ H_{2} S O_{4}

Δ H = - 130.2 k J

H_{2} + \frac{1}{2} O_{2} ⟶ H_{2} O

Δ H = - 227.3 k J

The enthalpy of formation of sulphuric acid at

298 K

Q. The acid formed when sulphur trioxide reacts with water is ___.

Name the acid formed when sulphur trioxide gas reacts with water.

Q. The product formed when ethene gas reacts with water in the presence of sulphuric acid is :

S + O_{2} \to S O_{2}; Δ H = - 398.2 k J; S O_{2} + \frac{1}{2} O_{2} \to S O_{3}; Δ H = - 98.7 k J

S O_{2} + H_{2} O \to H_{2} S O_{4}; Δ H = - 130.2 k J; H_{2} + \frac{1}{2} O_{2} \to H_{2} O; Δ H = - 227.3 k J

The enthalpy of formation of sulphuric acid at

298

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