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प्रश्न
Sulphuric acid can be used to prepare a number of gases in the laboratory. Write balanced equation for the reaction from which the folllowing gas are obtained, using dilute sulphuric acid as one of the reactant : Carbon dioxide
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उत्तर
Carbon dioxide :
\[\ce{Na2CO3 + H2SO4 -> Na2SO4 + H2O + CO2}\]
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संबंधित प्रश्न
Distinguish between the given pair of compounds using the test given within brackets:
Sodium nitrate and sodium sulphite (using dilute sulphuric acid).
What would you observe in the following case?
Concentrated sulphuric acid is added to equal volumes of cold water.
Write balanced equation for the reaction of dilute sulphuric acid with the following:
Copper carbonate
What do you see when concentrated sulphuric acid is added to copper sulphate-5-water ( You are not required to say what is happing, nor is it necessary to name the products.)
State your observation for the following case :
Dry red rose petals are placed in the jar of sulphur dioxide.
Write balanced chemical equation to show :
The oxidizing action of conc.sulphuric acid on carbon
Give balanced chemical equation to prepare the following salt:
Lead sulphate from lead carbonate
Complete the table given below:
| Name of the process | Reactants | Acid product formed |
| (a) ______ | Nitrogen dioxide + water + oxygen | (b) ______ |
| (c) ______ | Oleum + water | Sulphuric acid |
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. \[\ce{S + 2H2SO4 -> 2H2O + 3SO2}\]
Differentiate between the following pair based on the criteria given in the bracket:
Cane sugar and hydrated copper sulphate [using concentrated H2SO4]
