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प्रश्न
How are the following conversion brought about? Give equation and condition:
Sulphur trioxide to oleum.
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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 reasons for the following:
Brisk effervescence is seen when oil of vitriol is added to sodium carbonate.
Choose the current answer from the options given below :
Which of the following gas dissolves in H2SO4 to give alum?
Fill in the blank with appropriate word/words :
For the reaction SO2 + O2⇌ SO3 + Heat, the favourable conditions are _________ and __________.
Name two other acids other than sulphuric acid, which can be prepared by using sulphuric acid.
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
HCl, HNO3 and H2SO4 are formulae of three compounds. Which of these compounds has the highest boiling point and which has the lowest?
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).
Sulphuric acid is manufactured by the contact process.
Name the catalyst used.
Write a balanced chemical equation:
When hot and concentrated sulphuric acid reacts with the NaOH.
The following is the typical property of dilute acid. Complete it by inserting suitable words:
\[\ce{Active metal + Acid -> \underline{\phantom{.......}} + \underline{\phantom{.......}}}\]
