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प्रश्न
Sulphuric acid can be used to prepare a number of gases in the laboratory. Write balanced equation for the reaction from which the folllowing gas are obtained, using dilute sulphuric acid as one of the reactant : Carbon dioxide
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उत्तर
Carbon dioxide :
\[\ce{Na2CO3 + H2SO4 -> Na2SO4 + H2O + CO2}\]
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संबंधित प्रश्न
State one relevant observation for given reactions:
Action of concentrated Sulphuric acid on hydrated copper sulfate
Identify the acid in the following case:
The acid which produces sugar charcoal from sugar.
Why is concentrated sulphuric acid kept in air tight bottles?
Give reason for the following:
When carbon is heated with concentrated sulphuric acid, carbon dioxide is formed.
Give reason for the following:
Concentrated sulphuric acid should not be added to oxalic acid or formic acid in the open laboratory.
How are the following conversion brought about? Give equation and condition:
Sodium chloride to hydrogen chloride.
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.
Write balanced chemical equation to show :
The behavior of H2SO4 as an acid when it reacts with magnesium.
The gas evolved when dilute sulphuric acid reacts with iron sulphide.
