Advertisements
Advertisements
Question
How are the following conversion brought about? Give equation and condition:
Sodium chloride to hydrogen chloride.
Advertisements
Solution
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.
\[\ce{NaCl + H2SO4 ->[200°C] NaHSO4 + HCl}\]
APPEARS IN
RELATED QUESTIONS
Distinguish between the given pair of compounds using the test given within brackets:
Sodium nitrate and sodium sulphite (using dilute sulphuric acid).
Name the following:
Products obtained by treating zinc with dilute sulphuric acid.
Name the following:
Products obtained by treating ferrous sulphide with dilute sulphuric acid.
Name the following:
The precipitate obtained by treating aqueous barium chloride with dilute sulphuric acid.
Give examples of the use of sulphuric acid as
Non-volatile acid
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
A, B, C and D summarize the properties of sulphuric acid depending on whether it is dilute or concentrated. Choose the property (A, B, C or D), depending on which is relevant to each of the preparations (i) to (ii).
A. Dilute acid (typical acid properties)
B. Non-volatile acid
C. Oxidizing agent
D. Dehydrating agent
(i) Preparation of hydrogen chloride.
(ii) Preparation of ethane from ethanol
(iii) Preparation of copper sulphate from copper oxide.
Write the equation of the following reaction :
Concentrated sulphuric acid is poured over sugar
State your observation for the following case:
Paper soaked in potassium permanganate solution is introduced into a gas jar of sulphur dioxide.
Name the gas released when sodium carbonate is added to a solution of sulphur dioxide.
