What Is the Correct Form for the Equilibrium Constant Expression $\frac { [ \mathrm { HF } ] } { \left[ \mathrm { H } _ { 2 } \right] \left[ \mathrm { F } _ { 2 } \right] }$

question 23

Multiple Choice

What is the correct form for the equilibrium constant expression for this reaction?
H?(g) + F₂(g) ? 2 HF(g)

• A) \(\frac { [ \mathrm { HF } ] } { \left[ \mathrm { H } _ { 2 } \right] \left[ \mathrm { F } _ { 2 } \right] }\)
• B) \(\frac { [ \mathrm { HF } ] ^ { 2 } } { \left[ \mathrm { H } _ { 2 } \right] \left[ \mathrm { F } _ { 2 } \right] }\)
• C) \(\frac { \left[ \mathrm { H } _ { 2 } \right] \left[ \mathrm { F } _ { 2 } \right] } { [ \mathrm { HF } ] }\)
• D) \(\frac { \left[ \mathrm { H } _ { 2 } \right] \left[ \mathrm { F } _ { 2 } \right] } { [ \mathrm { HF } ] ^ { 2 } }\)
• E) \(\frac { \left[ \mathrm { H } _ { 2 } \right] \left[ \mathrm { F } _ { 2 } \right] } { 2 [ \mathrm { HF } ] }\)

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Definitions:

Level 2 Input

In fair value measurement, inputs other than quoted prices that are observable for the asset or liability, either directly or indirectly, such as using market-correlated data.

Level 2 Input

Inputs other than quoted market prices included within Level 1 that are observable for the asset or liability, directly or indirectly, such as quoted prices for similar assets or liabilities.

Interest Rates

The proportion of a loan that is charged as interest to the borrower, typically expressed as an annual percentage of the outstanding loan.

Yield Curves

Graphs showing the relationship between interest rates and the time to maturity of debt securities.