Solved

What Is the Correct Form of the Equilibrium Constant for the Reaction

Question 8

Multiple Choice

What is the correct form of the equilibrium constant for the reaction of hydrogen and oxygen to form water? The equation is:
2H?(g) + O?(g) ? H?O(g)

A) Kc = $\frac { \left[ \mathrm { H } _ { 2 } \mathrm { O } \right] } { \left[ \mathrm { O } _ { 2 } \right] \left[ \mathrm { H } _ { 2 } \right] ^ { 2 } }$
B) Kc = $\frac { \left[ \mathrm { H } _ { 2 } \mathrm { O } \right] } { \left[ \mathrm { O } _ { 2 } \right] \left[ \mathrm { H } _ { 2 } \right] }$
C) Kc = $\frac { \left[ \mathrm { H } _ { 2 } \mathrm { O } \right] } { \left[ \mathrm { O } _ { 2 } \right] \left[ \mathrm { H } _ { 2 } ^ { 2 } \right] }$
D) Kc = $\frac { \left[ \mathrm { H } _ { 2 } \mathrm { O } \right] } { \left[ \mathrm { O } _ { 2 } \right] \left[ 2 \mathrm { H } _ { 2 } \right] }$
E) Kc = $\frac { \left[ \mathrm { H } _ { 2 } \mathrm { O } \right] ^ { 2 } } { \left[ \mathrm { O } _ { 2 } \right] \left[ \mathrm { H } _ { 2 } ^ { 2 } \right] }$