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प्रश्न
Sulphuric acid is manufactured by the contact process.
Name the catalyst used.
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उत्तर
Vanadium pentoxide (V2O5)
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संबंधित प्रश्न
Give reasons for the following:
Sulphuric acid forms two types of salts with NaOH.
Give reason for the following:
Red brown vapours are produced when concentrated sulphuric acid is added to hydrogen bromide.
Give reasons for the following:
Brisk effervescence is seen when oil of vitriol is added to sodium carbonate.
What would you observe in the following case?
Sulphur trioxide is dissolved in water on a large scale.
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?
Write a balanced chemical equation:
When hot and concentrated sulphuric acid reacts with the sulphur.
Write a balanced chemical equation:
When hot and concentrated sulphuric acid reacts with the NaOH.
