Which of the Following Is the Correct Balanced Equation for the Equilibrium

question 16

Multiple Choice

Which of the following is the correct balanced equation for the equilibrium constant expression given below?
$K _ { \mathrm { p } } = \frac { P _ { \mathrm { HI } } ^ { 2 / 2 } } { P _ { \mathrm { H } _ { 2 } } ^ { 1 / 2 } P _ { \mathrm { I } _ { 2 } } ^ { 1 / 2 } }$

• A) \(\frac { 1 } { 2 }\) H₂(g) + \(\frac { 1 } { 2 }\) I₂(g) \(\rightleftharpoons\) HI(g)
• B) HI(g) \(\rightleftharpoons\) \(\frac { 1 } { 2 }\) H₂(g) + \(\frac { 1 } { 2 }\) I₂(g)
• C) \(\frac { 1 } { 2 }\) H₂(aq) + \(\frac { 1 } { 2 }\) I₂(aq) \(\rightleftharpoons\) HI(aq)
• D) HI(aq) \(\rightleftharpoons\) \(\frac { 1 } { 2 }\) H₂(aq) + \(\frac { 1 } { 2 }\) I₂(aq)
• E) 2 HI(g) \(\rightleftharpoons\) H₂(g) + I₂(g)

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