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Question

At atmospheric pressure, a litre vessel contains a mixture of Helium and Nitrogen. If partial pressure of Nitrogen is 500 mm, the partial pressure of Helium will be:


A
500 mm
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B
260 mm
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C
760 mm
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D
1260 mm
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Solution

The correct option is B $$260$$ mm
Atmospheric pressure = 760 mm of Hg

$$P=P{_{N_2}}+P_{H_2}$$

$$760 = 500 + P_{2}$$

$$P_{H_2} = 260mm$$
Option B is correct.

Chemistry

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