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0.020 g of selenium vapour at equilibriu...

`0.020` g of selenium vapour at equilibrium occupying a volume of `2.463` mL at `1` atm and `27^(@)C.` The selenium is in a state of equilibrium according to reaction
`3Se_(2)(g)hArrSe_(6)(g)`
What is the degreeo of association of selenium ?
(At.mass of se `=79`)

A

`0.205`

B

`0.315`

C

`0.14`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
B
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