Advertisements
Advertisements
Question
Rewrite the following statement by adding the correct word, as shown in the example:
|
Example: Given Statement: Ammonia changes moist red litmus to blue. Correct Statement: Aqueous ammonia changes moist red litmus to blue. |
Sulphuric acid acts as a dehydrating agent.
Advertisements
Solution
Concentrated sulphuric acid acts as a dehydrating agent.
Explanation:
Conc. \[\ce{H2SO4}\] has a strong affinity for water and so reduces it from the molecule, whereas dilute acid dissolves in water.
RELATED QUESTIONS
Give balanced chemical equations for the action of sulphuric acid on the following:
Sulphur
Give one equation to show the following properties of sulphuric acid:
As a non-volatile acid
Name the following:
The precipitate obtained by treating aqueous barium chloride with dilute sulphuric acid.
How are the following conversion brought about? Give equation and condition:
Dilute sulphuric acid to hydrogen.
What do you see when concentrated sulphuric acid is added to copper sulphate-5-water ( You are not required to say what is happing, nor is it necessary to name the products.)
Write the equation for the laboratory preparation of the following salts, using sulphuric acid.
Lead sulphate from lead nitrate.
State your observation for the following case :
Moist blue litmus is introduced into a gas jar of sulphur dioxide.
Write balanced chemical equation to show :
The behavior of H2SO4 as an acid when it reacts with magnesium.
Write balanced chemical equation to show :
The dehydrating property of conc. sulphuric acid
Identify the salts P and Q from the observation given below:
On performing the flame test salt P produces a lilac coloured flame and its solution gives a white precipitate with silver nitrate solution. Which is soluble in ammonium hydroxide solution.
