When a gas jar containing colourless air is kept upside down over a gas jar full of brown - coloured bromine vapour, then after some time, the brown colour of bromine vapour spreads into the upper gas jar making both the gas jars appear brown in colour. Which of the following conclusion obtained from these observations is incorrect ?

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Bromine vapour is made up of tiny particles which are moving

Bromine vapours contains tiny particles

Air is made up of tiny particles which are moving

The particles of bromine vapour is heavier than air, it can move up against gravity

answer is C.

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Detailed Solution

Bromine vapour is made up of tiny particles which are moving due to diffusion property.

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