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Effect on Kc

For the two g...

Question

For the two gaseous reactions (i) and (ii), at $25^{\circ} C$

(i) $N O (g) + \frac{1}{2} O_{2} (g) ⇌ N O_{2} (g)$

(ii) $2 N O_{2} (g) ⇌ 2 N O (g) + O_{2} (g)$ ,

The equilibrium constants are $K_{1}$ and $K_{2}$ respectively are related as:

A

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B

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C

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D

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Solution

The correct option is C

$N O (g) + \frac{1}{2} O_{2} (g) ⇌ N O_{2} (g); K_{1} - - - e q - 1$

$2 N O_{2} (g) ⇌ 2 N O (g) + O_{2} (g); K_{2} - - - e q - 2$

$e q - 2 = - 2 \times e q - 1$

$K_{2} = \frac{1}{(K_{1})^{2}}$

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Similar questions

For the two gaseous reactions (i) and (ii), at $25^{0} C$

$(i) N O (g) + \frac{1}{2} O_{2} (g) ⟵ N O_{2} (g)$

$(i i) 2 N O_{2} (g) ⟵ 2 N O (g) + O_{2} (g)$ ,

The equilibrium constants are $K_{1}$ and $K_{2}$ respectively. these two constants are related as:

Q. Equilibrium constants

K_{1}

K_{2}

for the following equilibria are related as:
(a)

N O_{(g)} + \frac{1}{2} O_{2 (g)} ⇌ N O_{2 (g)}

2 N O_{2 (g)} ⇌ 2 N O_{(g)} + O_{2 (g)}

Q. Consider the following gaseous equilibria with equilibrium constants

K_{1}

K_{2}

S O_{2} (g) + \frac{1}{2} O_{2} (g) ⇌ S O_{3} (g) 2 S O_{3} (g) ⇌ 2 S O_{2} (g) + O_{2} (g)

The equilibrium constants are related as :

Q. Two gaseous equilibria

S O_{2} (g) + \frac{1}{2} O_{2} (g) ⇌ S O_{3} (g)

2 S O_{3} (g) ⇌ 2 S O_{2} (g) + O_{2} (g)

have equilibrium constants

K_{1}

K_{2}

respectively at

298 K

. Which of the following relationships between

K_{1}

K_{2}

K_{1}

K_{2}

are equilibrium constants for reaction (i) and (ii)

N_{2} (g) + O_{2} (g) ⇌ 2 N O (g)

N O (g) ⇌ N_{2} (g) + \frac{1}{2} O_{2} (g)

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