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Question

According to Dalton's law, the total pressure of the mixture of gases is equal to

डाल्टन के नियम के अनुसार, गैसों के मिश्रण का कुल दबाव बराबर होता है

A.

Greater of the partial pressures of all

B.

Average of the partial pressures of all

C.

Sum of the partial pressures of all

D.

Sum of the partial pressures of all divided by average molecular weight

Answer ( Option C)

Sum of the partial pressures of all

Solution

Dalton’s law: According to this law, the total pressure of a mixture of gases is equal to the sum of the partial pressures of the individual component gases.

Hence, the correct option is (C).

&Key Points:-

The partial pressure is the pressure that each gas would exert if it alone occupied the volume of the mixture at the same temperature.  

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