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Question
Give balanced chemical equation to prepare the following salt:
Sodium sulphate using dilute sulphuric acid
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Solution
\[\ce{2NaOH + H2SO4 -> Na2SO4 + 2H2O}\]
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RELATED QUESTIONS
State one relevant observation for given reactions:
Action of concentrated Sulphuric acid on hydrated copper sulfate
Give two balanced reactions of the type to show the following property of sulphuric acid:
Oxidising agent
Name the products formed when hot and concentrated sulphuric acid reacts with Copper.
Give reason for the following:
When concentrated sulphuric acid is exposed to air, its volume increases and it becomes slightly dilute.
Give reason for the following:
Concentrated sulphuric acid should not be added to oxalic acid or formic acid in the open laboratory.
Give reason for the following:
Concentrated sulphuric acid is kept in airtight bottles.
The following statement is correct only under certain conditions. Rewrite the statement including the appropriate conditions.
Oxalic acid reacts with sulphuric acid to produce carbon monoxide and carbon dioxide.
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.
Differentiate between the following pair based on the criteria given in the bracket:
Cane sugar and hydrated copper sulphate [using concentrated H2SO4]
Hydrogen chloride gas is prepared in the laboratory by the action of concentrated sulphuric acid on sodium chloride.
State the method of collection of the gas formed above.
