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प्रश्न
Write a balanced chemical equation:
When hot and concentrated sulphuric acid reacts with the copper.
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उत्तर
When sulphuric acid reacts with copper, it forms copper sulphate and sulphur dioxide.
\[\ce{Cu + 2H2SO4 -> CuSO4 + 2H2O + SO2↑}\]
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संबंधित प्रश्न
Give reasons for the following:
Sulphuric acid forms two types of salts with NaOH.
Write a balanced chemical equation for each of the following reactions :
Action of dilute sulphuric acid on sodium hydroxide.
Write a balanced chemical equation for each of the following reactions :
Action of dilute sulphuric acid on zinc sulphide.
Complete the following equations :
C + cons. H2SO4
Name the following:
Solution obtained by dissolving sulphur trioxide in 98% sulphuric acid.
How are the following conversion brought about? Give equation and condition:
Aqueous barium chloride to barium sulphate.
How will you distinguish between conc. HCl and conc. H2SO4?
HCl, HNO3 and H2SO4 are formulae of three compounds. Which of these compounds has the highest boiling point and which has the lowest?
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
- \[\ce{C12H22O11 + nH2SO4 -> 12C + 11H2O + nH2SO4}\]
- \[\ce{S + 2H2SO4 -> 3SO2 + 2H2O}\]
- \[\ce{NaCl + H2SO4 -> NaHSO4 + HCl}\]
- \[\ce{CuO + H2SO4 -> CuSO4 + H2O}\]
- \[\ce{Na2CO3 + H2SO4 -> Na2SO4 + H2O + CO2}\]
The following is the typical property of dilute acid. Complete it by inserting suitable words:
\[\ce{Sulphite/hydrogen sulphite + Acid -> \underline{\phantom{.......}} + \underline{\phantom{.......}} + \underline{\phantom{.......}}}\]
