One lit of `SO_(3)` was placed in a two litre vessels of a certain temperature. The following equilibrium was established in the vessel `2SO_(3(g)) hArr 2SO_(2(g)) +O_(2(g))` the equilibrium mixture reacted with 0.2 mole KMnO, in acidic medium. Kc value is `1.25 x10^(-x)` then the value of x is:
A
`0.50`
B
`0.25`
C
`0.125`
D
None of these
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The correct Answer is:
C
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