What is the role of conc. $H_{2} S O_{4}$ in the given reaction?

$C u S O_{4} .5 H_{2} O C o n c . H_{2} S O_{4} - ------- \to C u S O_{4} + 5 H_{2} O$

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 B Dehydrating agent
Here concentrated sulphuric acid acts as a dehydrating agent. It removes the water of crystallisation from the hydrated salt of copper sulphate. Hence, the role of Conc. $H_{2} S O_{4}$ is a dehydrating agent.

Therefore, option B is correct.

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Similar questions

(i) How will you distinguish between dilute H₂SO₄ and conc H₂SO₄?
(ii) How will you distinguish between conc. HCl and conc. H₂SO₄?
(iii) Give main differences between drying agent and dehydrating agent.

Q. Write the structural formula of ethanol. What happens when it is heated with excess of conc.

H_{2} S O_{4}

at 443 K? Write the chemical equation for the reaction stating the role of conc.

H_{2} S O_{4}

in this reaction.

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}

What is the role of concentrated $H_{2} S O_{4}$ in the laboratory preparation of nitric acid?

Q. In which of the following reactions does conc.

H_{2} S O_{4}

act as an oxidising agent?

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What is the role of conc. H2SO4 in the given reaction?CuSO4.5H2OConc.H2SO4−−−−−−−−→CuSO4+5H2O

The correct option is B Dehydrating agentHere concentrated sulphuric acid acts as a dehydrating agent. It removes the water of crystallisation from the hydrated salt of copper sulphate. Hence, the role of Conc. H2SO4 is a dehydrating agent.Therefore, option B is correct.

What is the role of conc. $H_{2} S O_{4}$ in the given reaction?

$C u S O_{4} .5 H_{2} O C o n c . H_{2} S O_{4} - ------- \to C u S O_{4} + 5 H_{2} O$

The correct option is B Dehydrating agent
Here concentrated sulphuric acid acts as a dehydrating agent. It removes the water of crystallisation from the hydrated salt of copper sulphate. Hence, the role of Conc. $H_{2} S O_{4}$ is a dehydrating agent.

Therefore, option B is correct.