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प्रश्न
Name the following:
Solution obtained by dissolving sulphur trioxide in 98% sulphuric acid.
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उत्तर
When SO3 is dissolved in 98% sulphuric acid it forms oleum.
SO3 + H2SO4 → H2S2O7
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संबंधित प्रश्न
Comment, sulphuric acid is referred to as King of chemicals.
Give reasons for the following:
A piece of wood becomes black when concentrated sulphuric acid is poured on it.
How does sulphuric acid occur in nature?
How are the following conversion brought about? Give equation and condition:
Sulphur trioxide to oleum.
How are the following conversion brought about? Give equation and condition:
Aqueous barium chloride to barium sulphate.
Fill in the blank with appropriate word/words :
For the reaction SO2 + O2⇌ SO3 + Heat, the favourable conditions are _________ and __________.
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:
\[\ce{Sulphide + Acid -> \underline{\phantom{.......}} + \underline{\phantom{.......}}}\]
Arrange the following as per the instruction given in the bracket:
Sulphuric acid, Phosphoric acid, Acetic acid (increasing order of number of replaceable H atoms per molecule).
Identify the following:
The element having electronic configuration 2, 8, 6.
