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प्रश्न
Give reason for the following:
H2SO4 cannot be prepared by heating sodium sulphate with conc. HCl or HNO3
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उत्तर
As sulphuric acid is non volatile, it is used to prepare volatile acids like HCl and HNO3. Thus these acids cannot be used to prepare sulphuric acid.
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संबंधित प्रश्न
Write a balanced chemical equation for the following:
Action of concentrated sulphuric acid on Sulphur.
State one relevant observation for given reactions:
Action of concentrated Sulphuric acid on hydrated copper sulfate
Give balanced chemical equations for the action of sulphuric acid on the following:
Potassium hydrogen carbonate.
Why is H2SO4 is not used as a drying agent for H2S?
Give reason for the following:
Sulphuric acid can form two kinds of salts with sodium chloride.
Give reason for the following:
Ammonia gas cannot be dried by passing through concentrated sulphuric acid.
Complete the following sentence, choosing the correct word from the given options.
"Concentrated sulphuric acid is used in the laboratory preparation of nitric acid and hydrochloric acid because it is ____________ in comparison to these two acids."
Which property of sulphuric acid accounts for its use as a dehydrating agent ?
A, B and C are the chemical properties of sulphuric acid:
A. Oxidizing agent
B. Dehydrating agent
C. Non-volatile acid
Match the following equations 1 to 3 to the above chemical properties of sulphuric acid.
1. \[\ce{KNO3 + H2SO4 -> KHSO4 + HNO3}\]
2. \[\ce{C12H22O11 -> 12C + 11H2O}\]
3. \[\ce{S + 2H2SO4 -> 2H2O + 3SO2}\]
Rewrite the following statement by adding the correct word, as shown in the example:
|
Example: Given Statement: Ammonia changes moist red litmus to blue. Correct Statement: Aqueous ammonia changes moist red litmus to blue. |
Sulphuric acid acts as a dehydrating agent.
