If the equilibrium constant for the reac...

If the equilibrium constant for the reaction `N_(2)(g)+3H_(2)(g)hArr2NH_(3)(g) at 750 K` is 49, then the equilibrium constant for the reaction `NH_(3)(g)hArr1/2N_(3)(g)+3/2H_(2)(g)` at the same temperaturee is

A

`1/49`

B

49

C

`1/7`

D

`49^(2)`

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