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प्रश्न
Write a balanced chemical equation:
When hot and concentrated sulphuric acid reacts with the copper.
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उत्तर
When sulphuric acid reacts with copper, it forms copper sulphate and sulphur dioxide.
\[\ce{Cu + 2H2SO4 -> CuSO4 + 2H2O + SO2↑}\]
संबंधित प्रश्न
Give reason for the following:
Red brown vapours are produced when concentrated sulphuric acid is added to hydrogen bromide.
Distinguish between the following pairs of compounds using the reagent given in the bracket.
Ferrous sulphate solution and ferric sulphate solution. (Using sodium hydroxide solution)
How does sulphuric acid occur in nature?
What would you observe in the following case?
100ml of 98% sulphuric acid is kept open.
How are the following conversion brought about? Give equation and condition:
Sulphur trioxide to oleum.
A, B, C and D summarise the properties of sulphuric acid depending on whether it is dilute or concentrated.
A = Typical acid property
B = Non-Volatile acid
C = Oxidising agent
D = Dehydrating agent
Choose the property (A, B, C or D) depending on which is relevant to each of the following :
(i) Preparation of hydrogen chloride gas
(ii) Preparation of copper sulphate from copper oxide
(iii) Action of cone, sulphuric acid on sulphur
How will you identify?
Sulphur dioxide gas
Write a balanced chemical equation:
When hot and concentrated sulphuric acid reacts with the sugar.
The following is the typical property of dilute acid. Complete it by inserting suitable words:
\[\ce{Base + Acid -> \underline{\phantom{.......}} + \underline{\phantom{.......}}}\]
What property of Sulphuric acid is exhibited in the following case?
In the preparation of HCI gas when it reacts with Sodium chloride.
