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प्रश्न
How are the following conversion brought about? Give equation and condition:
Sulphur trioxide to oleum.
उत्तर
Sulphuric trioxide to oleum:
Absorption of sulphur trioxide in 98% sulphuric acid to form oleum.
SO3 + H2SO4 → H2S2O7
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संबंधित प्रश्न
Give reason for the following:
When diluting concentrated sulphuric acid, the acid should be added to water and not water to the acid.
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
Some properties of sulphuric acid are listed below. Choose the property A, B, C or D which is responsible for the reaction (a) to (e). Some properties may be repeated.
A. Acid
B. Dehydrating agent
C. Non-volatile acid
D. Oxidizing agent
(a) \[\ce{C12H22O11 + nH2SO4 -> 12C + 11H2O + nH2SO4}\]
(b) \[\ce{S + 2H2SO4 -> 3SO2 + 2H2O}\]
(c) \[\ce{NaCl + 2H2SO4 -> NaHSO4 + HCl}\]
(d) \[\ce{CuO + 2H2SO4 -> CuSO4 + H2O}\]
(e) \[\ce{Na2CO3 + H2SO4 -> Na2SO4 + H2O + CO2}\]
HCl, HNO3 and H2SO4 are formulae of three compounds. Which of these compounds has the highest boiling point and which has the lowest?
Sulphuric acid is manufactured by the contact process.
Name the chemical used to dissolve \[\ce{SO3}\] and also name the product formed. Give all the main reactions to this process.
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:
Base + Acid → ______ + ______
The following are the typical properties of dilute acid. Complete them by inserting suitable words:
Carbonate/hydrogen carbonate + Acid → ______ + ______ + ______
