S - 2H2SO4 conc- - 3SO2 - 2H2O

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Standard X

Chemistry

Polar Molecules

S + 2H2SO4 co...

Question

$S + 2 H_{2} S O_{4} (c o n c .) \to 3 S O_{2} + 2 H_{2} O$

Dilute acid

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Dehydrating agent

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Non-volatile acid

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Oxidising agent

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Solution

The correct option is D Oxidising agent
Sulfuric acid acts as a strong oxidizing agent. In the given reaction, the oxidation state of the sulfur atom in the ground state changes from 0 to +4, which means sulfuric acid oxidizes the ground state Sulfur and hence acts as an oxidizing agent

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Similar questions

Q. In the given equation

S + 2 H_{2} S O_{4} \to 3 S O_{2} + 2 H_{2} O

: What is the role played by conc.

H_{2} S O_{4}

Q. In the given equation identify the role played by concentrated sulphuric acid :

S + 2 H_{2} S O_{4} \to 3 S O_{2} + 2 H_{2} O

Describe the reactions that show
(i) Concentrated sulphuric acid is a non-volatile acid.
(ii) Concentrated sulphuric acid acts as a dehydrating agent.
(iii) Concentrated sulphuric acid is an oxidising agent.
(iv) Dilute sulphuric acid behaves as dibasic acid.

Some properties of sulphuric acid are listed below. Choose the property A, B, C or D which is responsible for the reaction (a) to (e). Some properties may be repeated.
A. Acid
B. Dehydrating agent
C. Non-volatile acid
D. Oxidizing agent
(a) C₁₂H₂₂O₁₁ + nH₂SO₄ $\overset{}{\to}$ 12C + 11H₂O + nH₂SO₄
(b) S + 2H₂SO₄ $\overset{}{\to}$ 3SO₂ + 2H₂O
(c) NaCl + 2H₂SO₄ $\overset{}{\to}$ NaHSO₄ + HCl
(d) CuO + 2H₂SO₄ $\overset{}{\to}$ CuSO₄ + H₂O
(e) Na2CO₃ + H₂SO₄ $\overset{}{\to}$ Na₂SO₄ + H₂O + CO₂

Q. Some properties of sulphuric acid are listed below. Choose the role played by sulphuric acid as

A, B, C

D

which is responsible for the reaction (i) to (v). Some role/s may be repeated:

Z n + 2 H_{2} S O_{4} (c o n c .) \to Z n S O_{4} + S O_{2} + 2 H_{2} O

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S+2H2SO4(conc.)→3SO2+2H2O

The correct option is D Oxidising agentSulfuric acid acts as a strong oxidizing agent. In the given reaction, the oxidation state of the sulfur atom in the ground state changes from 0 to +4, which means sulfuric acid oxidizes the ground state Sulfur and hence acts as an oxidizing agent

$S + 2 H_{2} S O_{4} (c o n c .) \to 3 S O_{2} + 2 H_{2} O$

The correct option is D Oxidising agent
Sulfuric acid acts as a strong oxidizing agent. In the given reaction, the oxidation state of the sulfur atom in the ground state changes from 0 to +4, which means sulfuric acid oxidizes the ground state Sulfur and hence acts as an oxidizing agent