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The equilibrium constant for the reactio...

The equilibrium constant for the reaction
`SO_3(g) iff SO_2(g) +1/2 O_2(g)` Is `K_c`= `4.9 xx10^-2` The value of `K_c` for the reaction
`2SO_2(g) + O_2(g) iff 2SO_3(g)` will be

A

416

B

`2.4 xx 10^-3`

C

`9.8 xx 10^-2`

D

`4.9 xx 10^-2`

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The correct Answer is:
A
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