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प्रश्न
How are the following conversion brought about? Give equation and condition:
Sodium chloride to hydrogen chloride.
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उत्तर
Sodium chloride to hydrogen chloride :
Sulphuric acid when reacts with sodium chloride it forms sodium bisulphate and hydrochloric acid because sulphuric acid when treated with salts of more volatile acids displaces more volatile acids.
\[\ce{NaCl + H2SO4 ->[200°C] NaHSO4 + HCl}\]
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संबंधित प्रश्न
Write balanced chemical equations to show : The oxidizing action of conc. Sulphuric acid on carbon
Give reason for the following:
Ammonia gas cannot be dried by passing through concentrated sulphuric acid.
Give reason for the following:
When concentrated sulphuric acid is added to sugar/glucose, a black mass is left behind.
Give reason for the following:
Cotton clothes get burnt with concentrated sulphuric acid.
Give examples of the use of sulphuric acid as
Non-volatile acid
Which concentrated acid oxidizes sulphur directly to sulphuric acid ? Write the equation for the same. What is the name of the process by which sulphuric acid is manufactured ? Name the catalyst used in the process.
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.
Name the acid formed when sulphur dioxide dissolves in water.
Hydrogen chloride gas is prepared in the laboratory by the action of concentrated sulphuric acid on sodium chloride.
Give a balanced chemical equation for the above reaction.
