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प्रश्न
Choose the current answer from the options given below :
Which of the following gas dissolves in H2SO4 to give alum?
विकल्प
SO2
H2S
S2O
SO3
उत्तर
SO3 gas dissolves in H2SO4 to give alum.
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संबंधित प्रश्न
Comment, sulphuric acid is referred to as King of chemicals.
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 are the following conversion brought about? Give equation and condition:
Sulphur trioxide to oleum.
Name two other acids other than sulphuric acid, which can be prepared by using sulphuric acid.
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) \[\ce{Na2CO3 + H2SO4 -> Na2SO4 + H2O + CO2}\]
Making use only of substances chosen from those given below:
Dilute sulphuric acid
Sodium carbonate
Zinc
Sodium sulphite
Lead
Salcium carbonate
Give the equation for the reaction by which you could obtain:
(i) Hydrogen
(ii) Sulphur dioxide
(iii) Carbon dioxide
(iv) Zinc Carbonate (two steps required).
Write a balanced chemical equation when hot and concentrated sulphuric acid reacts with the following:
Carbon
Write a balanced chemical equation when hot and concentrated sulphuric acid reacts with the following:
Copper
Which property of sulphuric acid accounts for its use as a dehydrating agent?
State the observation for the following, when:
Concentrated sulphuric acid is added to carbon.
