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प्रश्न
Write a balanced chemical equation when hot and concentrated sulphuric acid reacts with the following:
Sulphur
उत्तर
When sulphuric acid reacts with sulphur, the product formed is Sulphur dioxide is formed.
\[\ce{S + 2H2SO4 -> 3SO2 + 2H2O}\]
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संबंधित प्रश्न
What is the name given to the salts of sulphurous acid?
Give reasons for the following:
Sulphuric acid forms two types of salts with \[\ce{NaOH}\].
Give reasons for the following:
Brisk effervescence is seen when oil of vitriol is added to sodium carbonate.
Copy and complete the following table:
| Column 1 Substance reacted with acid |
Column 2 Dilute or concentrated acid |
Column 3 Gas |
| Hydrogen | ||
| Carbon dioxide | ||
| Only chlorine |
How are the following conversions brought about? Give equation and condition:
Sulphur trioxide to sulphur acid.
Fill in the blank with appropriate word/words :
Oil of Vitriol is ___________
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
Write a balanced chemical equation when hot and concentrated sulphuric acid reacts with the following:
Sugar
The following are the typical properties of dilute acid. Complete them by inserting suitable words:
Sulphide + Acid → ______ + ______
State the observation for the following, when:
Concentrated sulphuric acid is added to carbon.
