Two gaseous equilibria $$S{{O}_{2(g)}}+\frac{1}{2}{{O}_{2(g)}}$$ ⇌ $$S{{O}_{3(g)}}$$ and $$2S{{O}_{3(g)}}$$⇌$$2S{{O}_{2(g)}}+{{O}_{2(g)}}$$ have equilibrium constants $${{K}_{1}}$$ and $${{K}_{2}}$$ respectively at $$298\,K$$. Which of the following relationships between $${{K}_{1}}$$ and $${{K}_{2}}$$ is correct [CPMT 1988; CBSE PMT 1989; MP PET 1993, 95; RPMT 1999; MP PMT 2001]

Question

TuteeHUB · Accepted Answer

$${{K}_{2}}=\frac{1}{{{K}_{1}}}$$

TuteeHUB · Answer

$${{K}_{1}}={{K}_{2}}$$

TuteeHUB · Answer

$${{K}_{2}}=K_{1}^{2}$$

TuteeHUB · Answer

$${{K}_{2}}=\frac{1}{K_{1}^{2}}$$

1.	Two gaseous equilibria \[S{{O}_{2(g)}}+\frac{1}{2}{{O}_{2(g)}}\] ⇌ \[S{{O}_{3(g)}}\] and \[2S{{O}_{3(g)}}\]⇌\[2S{{O}_{2(g)}}+{{O}_{2(g)}}\] have equilibrium constants \[{{K}_{1}}\] and \[{{K}_{2}}\] respectively at \[298\,K\]. Which of the following relationships between \[{{K}_{1}}\] and \[{{K}_{2}}\] is correct [CPMT 1988; CBSE PMT 1989; MP PET 1993, 95; RPMT 1999; MP PMT 2001]
A.	\[{{K}_{1}}={{K}_{2}}\]
B.	\[{{K}_{2}}=K_{1}^{2}\]
C.	\[{{K}_{2}}=\frac{1}{K_{1}^{2}}\]
D.	\[{{K}_{2}}=\frac{1}{{{K}_{1}}}\]
Answer» D. \[{{K}_{2}}=\frac{1}{{{K}_{1}}}\]

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