Iron filing and water were placed in a 5 litre tank and sealed.The tank was heated to 1237 k. Upon anaiysis the tank was found to contain 1.10 gram of hydropen and 42.5 gm of water vapour. If the reaction in the tank is represented by
`3Fe(s) + 4H_(2)O(g) hArr Fe_(3)O(g) + 4H_(2)(g)`
the equilibrium constant will be -

Options

A. `2.949 xx 10^(3)`
B. `6.490 xx 10^(3)`
C. `4.90 xx 10^(3)`
D. `3.200 xx 10^(3)`

Answer

A