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For the reaction, SO(2)(g) + (1)/(2)O(2)...

For the reaction, `SO_(2)(g) + (1)/(2)O_(2)(g)hArrSO_(3) (g)`, If `K_(p) = K_(c) (RT)^(x)` where the symbols have usual meaning then, the value of x is (assuming ideality).

A

`1`

B

`-(1)/(2)`

C

`(1)/(2)`

D

`1`

Text Solution

Verified by Experts

The correct Answer is:
B
By using this formula, equilibrium constant, `K_(p) = K_(c) (RT)^(Delta n_(g))`
Where `Delta n_(g)` = (no. of moles of products) - (no. of moles of reactants)
For the given reaction,
`SO_(2)(g) + (1)/(2)O_(2)(g)hArrSO_(3)(g)`
`Delta n_(g) = 1 - [(1)/(2)+1] = 1 - [(3)/(2)] = - (1)/(2)`
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