$A, B, C$ and $D$ summarize the properties of sulphuric acid depending on whether it is dilute or concentrated.
$A =$ Typical acid property
$B =$ Non volatile acid
$C =$ Oxidizing agent
$D =$ Dehydrating agent.
Choose the property ( $A, B, C$ or $D$ ) depending on which is relevant to each of the following :
(i) Preparation of Hydrogen chloride gas.
(ii) Preparation of Copper sulphate from copper oxide.
(iii) Action of conc. Sulphuric acid on Sulphur.

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Solution

(i) When a normal salt reacts with a non volatile acid, a volatile acid is obtained as a product. Hence, to obtain HCl which is a volatile acid the acid used must be non volatile. So, non volatile property of sulphuric acid is used here.
$2 N a C l + H_{2} S O_{4} ⟶ N a_{2} S O_{4} + 2 H C l (g)$

(ii) $C u S O_{4}$ is a salt of copper and CuO is a base. Hence it is a typical property of an acid that , acid reacts with base to form salt and water.
$C u O + H_{2} S O_{4} ⟶ C u S O_{4} + H_{2} O$

(iii) Oxidation reaction involves addition of oxygen. When a non metal reacts with an acid, it gets oxidized.
$S + 2 H_{2} S O_{4} ⟶ 3 S O_{2} + 2 H_{2} O$

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Similar questions

A, B, C and D summarize the properties of sulphuric acid depending on whether it is dilute or concentrated. Choose the property (A, B, C or D), depending on which is relevant to each of the preparations (i) to (iii):
A. Dilute acid (typical acid properties)
B. Non-volatile acid
C. Oxidizing agent
D. Dehydrating agent
(i) Preparation of hydrogen chloride.
(ii) Preparation of ethene from ethanol.
(iii) Preparation of copper sulphate from copper oxide.

(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.

(c) (i) Name the process used for the large scale manufacture of sulphuric acid.
(ii) Which property of sulphuric acid accounts for its use as a dehydrating agent?
(iii) Concentrated sulphuric acid is both an oxidizing agent and non-volatile acid. Write one equation each to illustrate the above mentioned properties of sulphuric acid.

(a) Name the process used for the large scale manufacture of sulphuric acid.
(b) Which property of sulphuric acid accounts for its use as a dehydrating agent?
(c) Concentrated sulphuric acid is both an oxidising agent and a non-volatile acid. Write one equation each to illustrate the properties of sulphuric acid mentioned above.

What property of conc. $H_{2} S O_{4}$ is made use of in each of the following cases ? Give an equation for the reaction in each case :

(a) in the production of HCI gas when it reacts with a chloride,

(b) in the preparation of CO from HCOOH,

(d) in the preparation of sulphuric acid by warming a mixture of conc.sulphuric acid and copper-turnings,

(e) hydrogen sulphide gas is passed through concentrated sulphuric acid.

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