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Question
State one appropriate observation of the following:
Concentrated sulphuric acid is added dropwise to a crystal of hydrated copper sulphate.
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Solution
When conc. H2SO4 is added to a crystal of hydrated copper sulphate, it removes water of crystallisation from salt.
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RELATED QUESTIONS
State one relevant observation for given reactions:
Action of concentrated Sulphuric acid on hydrated copper sulfate
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
1) Preparation of Hydrogen chloride gas
2) Preparation of Copper sulphate from copper oxide.
3) An action of conc. Sulphuric acid on Sulphur.
How are the following conversion brought about? Give equation and condition:
Oxalic acid to carbon monoxide.
Give examples of the use of sulphuric acid as
Non-volatile acid
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.
In this question, you required to supply the word (or words) that will make the sentence correct. Rewrite the copper statement.
Copper sulphate crystals are dehydrate by sulphuric acid.
Give a balanced chemical equation for the action of sulphuric acid on the following:
Potassium hydrogen carbonate
Which property of sulphuric acid accounts for its use as a dehydrating agent ?
Write a balanced equation for the following conversion:
Lead sulphate from lead nitrate and sulphuric acid.
The salt is formed when concentrated sulphuric acid reacts with KNO3 above 200°C.
