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At 27^@ C, a closed vessel contains a mi...

At `27^@` C, a closed vessel contains a mixture of equal weights of helium (mol. wt. = 4 ), methane (mol. wt. =16) and sulphur dioxide (mol. wt = 64). The pressure exerted by the mixture is 210 mm. If the partial pressures of helium, methane and sulphur dioxide are `P_(1)`, `P_(2)` and `P_(3)` respectively, which one of the following is correct ?

A

`P_(3) gt P_(2) P_(1)`

B

`P_(1) gt P_(2) gt P_(3)`

C

`P_(1) gt P_(3) gt P_(2)`

D

`P_(2) gt P_(3) gt P_(1)`

Text Solution

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The correct Answer is:
A
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