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Question
What is the name given to the salts of sulphurous acid?
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Solution
Hydrogen sulphites and Sulphites
RELATED QUESTIONS
Complete the following equations :
S + conc.HNO3 →
Complete the following equations :
C + cons. H2SO4
Name the following:
Products obtained by dissolving sulphur dioxide and chlorine in water.
Give reason for the following:
In the contact process, sulphur dioxide is dissolved in 98% sulphuric acid and not in water.
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) \[\ce{Na2CO3 + H2SO4 -> Na2SO4 + H2O + CO2}\]
How will you identify?
Sulphur dioxide gas
Write a balanced chemical equation:
When hot and concentrated sulphuric acid reacts with the NaOH.
Write a balanced chemical equation:
When hot and concentrated sulphuric acid reacts with the copper.
