How will you prove that cone. sulphuric acid is Dehydrating agent?

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Solution

Concentrated sulphuric acid $(H_{2} {SO}_{4})$ removes water molecules from hydrated salts and carbohydrates thus provingg that conc. sulphuric acid is Dehydrating agent
Hydrated salt $\overset{Conc . H_{2} {SO}_{4}}{\to}$ Anhydrous salt + ${(H_{2} O)}_{n}$
$C_{2} H_{5} OH$ $\overset{Conc . H_{2} {SO}_{4}}{\to}$ $C_{2} H_{4} + H_{2} O$

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Similar questions

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.

(a) Which property of sulphuric acid accounts for its use as a dehydrating agent ?

(b) Concentrated sulphuric acid is both an oxidizing agent and a non-volatile acid. Write on equation each to illustrate the above mentioned properties of sulphuric acid.

How will you prove that conc. sulphuric acid is Oxidizing agent?

How will you prove that conc. sulphuric acid is Dibasic acid?

why is dilute sulphuric acid not used a dehydrating agent nor as an oxidizing agent?

why is conc sulphuric acid used a dehydrating and oxidizing agent?

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How will you prove that cone. sulphuric acid is Dehydrating agent?

Concentrated sulphuric acid (H2SO4) removes water molecules from hydrated salts and carbohydrates thus provingg that conc. sulphuric acid is Dehydrating agentHydrated salt →Conc.H2SO4 Anhydrous salt + (H2O)nC2H5OH→Conc.H2SO4 C2H4+H2O