During laboratory preparation, hydrogen gas is collected by _______ displacement of water

Open in App

Solution

Downward displacement of water: As the name suggests itself is defined as the displacement of water in a downward direction
Hydrogen gas is lesser in density in comparison to water and doesn't react with water.
Because of these properties of hydrogen gas, it comes out at the surface of the water and can get collected at the surface
Final Answer: During laboratory preparation, hydrogen gas is collected by downward displacement of water

Suggest Corrections

Similar questions

Give reasons :

(a) Hydrogen is collected by the downward displacement of water and not of air, even though it is lighter than air.

(b) A candle brought near the mouth of a jar containing hydrogen gas starts burning but is extinguished when pushed inside the jar.

(d) Apparatus for laboratory preparation of hydrogen should be air tight and away from a naked flame.

How is acetylene prepared in the laboratory ?
(a) Draw a diagram. (b) Give an equation.
(c) How is pure dry gas collected ?

During laboratory preparation of oxygen by hydrogen peroxide and potassium chlorate, the gas is collected by _____ displacement of water.

Join BYJU'S Learning Program