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Question
Rewrite the following statement by adding the correct word, as shown in the example:
|
Example: Given Statement: Ammonia changes moist red litmus to blue. Correct Statement: Aqueous ammonia changes moist red litmus to blue. |
Sulphuric acid acts as a dehydrating agent.
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Solution
Concentrated sulphuric acid acts as a dehydrating agent.
Explanation:
Conc. \[\ce{H2SO4}\] has a strong affinity for water and so reduces it from the molecule, whereas dilute acid dissolves in water.
RELATED QUESTIONS
State your observations when Concentrated Sulphuric acid is added to Sugar Crystals
Give one equation to show the following properties of sulphuric acid:
Acidic nature
Name the products formed when hot and concentrated sulphuric acid reacts with NaOH.
Why is concentrated sulphuric acid kept in air tight bottles?
Name the following:
Products obtained by treating ferrous sulphide with dilute sulphuric acid.
Name the Following:
The property used to prepare HCl and HNO3 from H2SO4.
Give reason for the following:
When carbon is heated with concentrated sulphuric acid, carbon dioxide is formed.
Describe the reaction that show
Dilute sulphuric acid behaves as dibasic acid.
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 (ii).
A. Dilute acid (typical acid properties)
B. Non-volatile acid
C. Oxidizing agent
D. Dehydrating agent
(i) Preparation of hydrogen chloride.
(ii) Preparation of ethane from ethanol
(iii) Preparation of copper sulphate from copper oxide.
Name the gas evolved in following case:
The gas produced by the action of concentrated sulphuric acid on sodium chloride.
