in the preparation of chlorine. the liberatedgas is collected using gas jar by the upward displacement of air give reason
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Upward displacement of air is good for gases that are heavier/denser than air, and are soluble in water.
Examples are carbon dioxide, hydrogen chloride, sulfur dioxide and chlorine.
As a general guide, a gas is less dense than air if its molecular mass is less than 30, so you should be looking at gases with Mr more than 30! :)
Examples are carbon dioxide, hydrogen chloride, sulfur dioxide and chlorine.
As a general guide, a gas is less dense than air if its molecular mass is less than 30, so you should be looking at gases with Mr more than 30! :)
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