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प्रश्न
How are the following conversion brought about? Give equation and condition:
Dilute sulphuric acid to hydrogen.
उत्तर
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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संबंधित प्रश्न
Identify the acid in the case:
The acid on mixing with lead nitrate solution produces a white precipitate, which is insoluble even on heating.
Give balanced chemical equations for the action of sulphuric acid on the following:
Sulphur
Name the products formed when hot and concentrated sulphuric acid reacts with Carbon.
Describe the reaction that show
Dilute sulphuric acid behaves as dibasic acid.
What would you see, when a crystal of CuSO4.5H2O is placed in concentrated sulphuric acid? Give reason to explain your observation.
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.
What property of sulphuric acid is shown by the reaction of concentrated sulphuric acid when heated with :
(i) Potassium nitrate
(ii) carbon
Write the balanced chemical equation for the following conversion:
Copper sulphate from copper and concentrated sulphuric acid.
Write the balanced chemical equation for the following conversion:
Ammonium sulphate from ammonia and dilute sulphuric acid.
Differentiate between the following pair based on the criteria given in the bracket:
Cane sugar and hydrated copper sulphate [using concentrated H2SO4]
