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प्रश्न
Write a balanced chemical equation:
When hot and concentrated sulphuric acid reacts with the carbon.
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उत्तर
When sulphuric acid reacts with carbon, it forms carbon dioxide and sulphur dioxide gas.
\[\ce{C + 2H2SO4 -> \underset{dioxide}{\underset{carbon}{CO2}} + 2H2O + \underset{dioxide}{\underset{sulphur}{2SO2 ↑}}}\]
संबंधित प्रश्न
What is the name given to the salts of sulphurous acid?
Distinguish between the following pairs of compounds using the reagent given in the bracket.
Ferrous sulphate solution and ferric sulphate solution. (Using sodium hydroxide solution)
What would you observe in the following case?
Sulphur trioxide is dissolved in water on a large scale.
Give reason for the following:
In the contact process, sulphur dioxide is dissolved in 98% sulphuric acid and not in water.
Give reason for the following:
Concentrated sulphuric acid must be stored in airtight bottles.
Choose the current answer from the options given below :
Which of the following gas dissolves in H2SO4 to give alum?
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 sugar.
What property of conc. H2SO4 is made use of in the following case? Give an equation for the reaction in this case:
It’s reaction with ethanol.
Some properties of sulphuric acid are listed below. Choose the property A, B, C or D which is responsible for the reactions (i) to (v). Some properties may be repeated:
- Typical acid
- Dehydrating agent
- Non-volatile acid
- Oxidizing agent
- \[\ce{C12H22O11 + nH2SO4 -> 12C + 11H2O + nH2SO4}\]
- \[\ce{S + 2H2SO4 -> 3SO2 + 2H2O}\]
- \[\ce{NaCl + H2SO4 -> NaHSO4 + HCl}\]
- \[\ce{CuO + H2SO4 -> CuSO4 + H2O}\]
- \[\ce{Na2CO3 + H2SO4 -> Na2SO4 + H2O + CO2}\]
