Advertisements
Advertisements
प्रश्न
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.
उत्तर
\[\ce{2NaCl + H2SO4 ->[< 200°C][]2HCl + Na2SO4}\]
Sodium's greater reactivity than hydrogen replaces 'H' from acid to produce matching salts and strong volatile acid (HCl).
APPEARS IN
संबंधित प्रश्न
Give two balanced reactions of each type to show the following property of sulphuric acid:
Non-volatile nature
Name the products formed when hot and concentrated sulphuric acid reacts with NaOH.
Define the following term : Dehydrating agent
Give reason for the following:
When carbon is heated with concentrated sulphuric acid, carbon dioxide is formed.
What do you observe when barium chloride solution is added to dilute sulphuric acid ?
Write balanced equation for the reaction of dilute sulphuric acid with the following:
Lead nitrate solution
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."
Give one equation to show the following properties of sulphuric acid:
As a non-volatile acid
Give balanced chemical equation to prepare the following salt:
Sodium sulphate using dilute sulphuric acid
Identify the gas evolved and give the chemical test in the following case:
Dilute hydrochloric acid reacts with iron (II) sulphide.
