Chemistry
Give reasons for the following:
Hydrogen is collected by the downward displacement of water and not air even though it is lighter than air.
Hydrogen
56 Likes
Answer
Hydrogen is almost insoluble in water. Even though hydrogen is lighter than air, it is not collected by downward displacement of air since it forms an explosive mixture with air.
Answered By
37 Likes
Related Questions
Give reasons for the following:
Granulated zinc is preferred to metallic zinc in the preparation of hydrogen using dilute acid.
Give reasons for the following:
Hydrogen and alkali metals of group 1 [IA] react with copper [II] oxide to give copper.
Give reasons for the following:
A mixture of hydrogen and chlorine can be separated by passage through a porous pot.
Name the following
- A metal below iron but above copper in the activity series of metals which has no reaction with water.
- A metal which cannot be used for the preparation of hydrogen using dilute acids.
- The salt formed when aluminium reacts with potassium hydroxide, during the preparation of hydrogen from alkalis.
- A gaseous reducing agent which is basic in nature.
- A compound formed between hydrogen and an element from group 17 [VIIA] – period 3.