The Equilibrium Constant of a Reaction $\mathrm { A } + \mathrm { B } f$

Multiple Choice

The equilibrium constant of a reaction $\mathrm { A } + \mathrm { B } f$ $\quad$ $\quad$ $\mathrm { C }$ at 320 ${ } ^ { \circ } \mathrm { C }$ is 9.60 $\times 10 ^ { 5 }$ . At the same temperature, the equilibrium constant for the reverse reaction $\text { Cf } ~~~~~~\mathrm { A } + \mathrm { B }$ will be _____.

A) 0.000
B) 9.22 $\times 10 ^ { 11 }$
C) 4.80 $\times 10 ^ { 5 }$
D) 1.04 $\times 10 ^ { - 6 }$
E) 9.06 $\times 10 ^ { 5 }$