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Question

Dalton’s law of partial pressure is not applicable to a mixture of


A

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B

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C

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D

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Solution

The correct option is

B

The Dalton’s is only applicable to the mixture which consists of the non-reacting gases i.e. the gases do not react chemically and only in that case the sum total of the partial pressure of each gas is equal to the total pressure of the mixture and Dalton’s law is not applicable where the reaction mixture consists of the reacting gases as in that case there will no individual partial pressure of the gas and hence Dalton’s won’t be applied in such cases.

Out of all options given, H2 and Cl2 are most reactive with each other, and Dalton’s law is only applicable to non-reacting gases.


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