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# Equilibrium: The Meaning of a Constant

APCHEM-ONL6KY

Which of the following describes the relationship between the following equilibrium constant expressions?

$$K \ = \frac {[NO_2][ClNO]}{[NO][ClNO_2]}$$

$$K' \ = \frac {[NO][ClNO_2]}{[NO_2][ClNO]}$$

A

$K'$ represents the reverse reaction of $K$.

B

$K'$ is the same reaction as $K$.

C

$K'$ is the reaction rate constant for $K$.

D

$K'$ is a multiple of $K$.