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प्रश्न
Give balanced chemical equations for the action of sulphuric acid on the following:
Sulphur
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उत्तर
An action of sulphuric acid on sulphur
S + 2H2SO4 → 3SO2 + 2H2O
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संबंधित प्रश्न
Write balanced chemical equations for the action of dilute sulphuric acid on sodium sulphite.
Give two balanced reactions of the type to show the following property of sulphuric acid:
Oxidising agent
Name the products formed when hot and concentrated sulphuric acid reacts with Sulphur.
Name the products formed when hot and concentrated sulphuric acid reacts with Sugar.
Give reason for the following:
Ammonia gas cannot be dried by passing through concentrated sulphuric acid.
Give reason for the following:
Cotton clothes get burnt with 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."
- Name the catalyst which helps in the conversion of sulphur dioxide to sulphur trioxide in step C.
- In the contact process for the manufacture of sulphuric acid, sulphur trioxide is not converted to sulphuric acid by reacting it with water. Instead a two-step procedure is used. Write the equations for the two steps involved in D.
- What type of substance will liberate sulphur dioxide from sodium sulphite in step E?
- Write the equation for the reaction by which sulphur dioxide is converted to sodium sulphite in step F.
Dilute hydrochloric acid and dilute sulphuric acid are both colourless solutions. How will the addition of barium chloride solution to each help to distinguish between the two?
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. \[\ce{S + 2H2SO4 -> 2H2O + 3SO2}\]
