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At STP a contains has 1 mole of H(2) 2 m...

At STP a contains has 1 mole of `H_(2)` 2 mole `Ne,` 3 mole `O_(2)` and 4 mole `N_(2)`. Without changing total pressure if 2 mole of `O_(2)` is removed, the partial pressure of `O_(2)` will be decreased by

A

`26 %`

B

`40%`

C

`58.33%`

D

`66.66%`

Text Solution

Verified by Experts

The correct Answer is:
c
(c) `P_(O_(2)=(3)/(10)xxP_(T),`
After remiving 2 mole of `O_(2)`
` P'_(O_(2))=(1)/(8)xxP_(r)`
Decrease in partial pressure of `O_(2)`
`=((3P_(T))/(10)-(P_(T))/(8))/((3P_(T))/(10))xx100`
`=58.33`
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