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प्रश्न
Give balanced chemical equation for the action of sulphuric acid of the following:
Potassium hydrogen carbonate
उत्तर
\[\ce{2KHCO3 + H2SO4 -> K2SO4 + 2H2O + 2CO2\uparrow}\]
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संबंधित प्रश्न
Write balanced chemical equations to show how SO3 is converted to Sulphuric acid in the contact process.
A, B, C, and D summarize the properties of sulphuric acid depending on whether it is dilute or concentrated.
A = Typical acid property
B = Non volatile acid
C = Oxidizing agent
D = Dehydrating agent
Choose the property (A, B, C or D) depending on which is relevant to each of the following
1) Preparation of Hydrogen chloride gas
2) Preparation of Copper sulphate from copper oxide.
3) An action of conc. Sulphuric acid on Sulphur.
Why is water not added to concentrated \[\ce{H2SO4}\] in order to dilute it?
Give two balanced reactions of each type to show the following properties of sulphuric acid:
Hygroscopic nature
Give a chemical test to distinguish between dilute sulphuric acid and conc. sulphuric acid.
Give reason for the following:
Ammonia gas cannot be dried by passing through concentrated sulphuric acid.
Copy and complete the following table.
Column 3 has the names of gases to be prepared using the substance you enter in column 1, along with dilute or concentrated sulphuric acid, as indicated in column 2.
Column 1 | Column 2 | Column 3 |
Substance reacted with acid | Dilute or concentrated sulphuric acid | Gas |
Hydrogen | ||
Carbon dioxide | ||
Only chlorine |
Write the equation for the laboratory preparation of :
(i) Sodium sulphate using dilute sulphuric acid.
(ii) Lead sulphate using dilute sulphuric acid.
Write the equation for the laboratory preparation of the following salts, using sulphuric acid.
Sodium Sulphate from sodium carbonate.
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?
Hydrogen chloride gas is prepared in the laboratory by the action of concentrated sulphuric acid on sodium chloride.
What is the property of sulphuric acid that makes it a suitable reagent for the reaction?