For the following reactions equilibrium constants are given: $$mathrm{S(s)+O_{2}(g)rightleftharpoons SO_{2}(g); K_{1}=10^{52}}$$ $$mathrm{2S(s)+3O_{2}(g)rightleftharpoons 2SO_{3}(g); K_{2}=10^{129}}$$ The equilibrium constant for the reaction, $$mathrm{2SO_{2}(g)+O_{2}(g)rightleftharpoons 2SO_{3}(g)}$$

Help me please, - Equilibrium

For the following reactions equilibrium constants are given:

$S(s)+O_{2}(g)\rightleftharpoons SO_{2}(g); K_{1}=10^{52}$

$2S(s)+3O_{2}(g)\rightleftharpoons 2SO_{3}(g); K_{2}=10^{129}$

The equilibrium constant for the reaction,

$2SO_{2}(g)+O_{2}(g)\rightleftharpoons 2SO_{3}(g)$

Option 1)
10¹⁵⁴
Option 2)
10¹⁸¹
Option 3)
10²⁵
Option 4)
10⁷⁷

Answers (1)

S solutionqc

$(i)-S(s)+O_{2}(g)\rightleftharpoons SO_{2}(g); K_{1}=10^{52}$

$(ii)-2S(s)+3O_{2}(g)\rightleftharpoons 2SO_{3}(g); K_{2}=10^{129}$

Keq=? for reaction

$2SO_{2}(g)+O_{2}(g)\rightleftharpoons 2SO_{3}(g)$

se will get this above equalion by

subtracting twice of equation(i) from equation(ii)

i.e ii-2(i)

resultant:- $2SO_{2}(g)+O_{2}(g)\rightleftharpoons 2SO_{3}(g)$

$\therefore keq = \frac{K_{2}}{(K_{1})^{2}}=\frac{10^{129}}{(10^{52})^{2}}=10^{25} ans$

Option 1)

10¹⁵⁴

Option 2)

10¹⁸¹

Option 3)
10²⁵
Option 4)

10⁷⁷

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For the following reactions equilibrium constants are given: The equilibrium constant for the reaction, Option 1)10154Option 2)10181Option 3)1025Option 4)1077

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