Advertisements
Advertisements
प्रश्न
Explain, why (or give reasons for)
Hydrochloric acid cannot be concentrated above 22.2% by boiling.
Advertisements
उत्तर
Hydrochloric acid cannot be concentrated over 22.2% by boiling because this mixture(77.8% water + 22.2% HCI) boils at a constant temperature of 110°C without any change in concentration. Such a mixture is called as azeotrope.
APPEARS IN
संबंधित प्रश्न
Explain, why (or give reasons for)
An aqeous solution of chlorine is acidic is nature.
How can you prove that hydrochloric acid contain :
Hydrogen
Fill in the blank:
Aqua-regia is a mixture of ___________ .
Write balanced equation for the following reaction:
Red lead (trilead tetroxide) is warmed with concentrated hydrochloric acid.
Write a balanced equation for the reaction of zinc and dilute hydrochloric acid.
In the laboratory preparation of hydrochloric acid, HCl gas is dissolved in water.
- Draw a diagram to show the arrangement used for the absorption of HCl gas in water.
- State why such an arrangement is necessary? Give two reasons for the same.
- Write the chemical equation for the laboratory preparation of HCl gas when the reaction is:
- Below 200°C
- Above 200°C
State one appropriate observation of the following:
Copper sulphate is treated with dilute hydrochloric acid.
State one appropriate observation of the following:
Which gas is evolved when potassium sulphite with dilute hydrochloric acid.
State your observation when dilute hydrochloric acid is added to sodium thiosulphate.
Name the anion present in the following compound:
The action of heat on the insoluble compound C produces a gas which turns lime water turbid.
