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Question
How are the following conversion brought about? Give equation and condition:
Dilute sulphuric acid to hydrogen.
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Solution
Dilute sulphuric acid to hydrogen:
Dilute sulphuric acid react with metals above hydrogen in the activity series to form sulphate salts and hydrogen.
Mg + H2SO4 → MgSO4 + H2
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RELATED QUESTIONS
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.
Give balanced chemical equations for the action of sulphuric acid on the following:
Potassium hydrogen carbonate.
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Hygroscopic nature
Why is concentrated sulphuric acid kept in air tight bottles?
Name the following:
The precipitate obtained by treating aqueous barium chloride with dilute sulphuric acid.
What would you observe in the following case?
Hot concentrated sulphuric acid is added to sodium chloride crystals.
Give reason for the following:
H2SO4 cannot be prepared by heating sodium sulphate with conc. HCl or HNO3
Complete the following sentence, choosing the correct word from the given options.
"Concentrated sulphuric acid is used in the laboratory preparation of nitric acid and hydrochloric acid because it is ____________ in comparison to these two acids."
Give one equation to show the following property of sulphuric acid:
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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.
