QJEEM14Ch44cb: JEE Main 2014 Chemistry - Class 11 JEEM14Ch44cb Solution: For the reaction SO 2 (g) + 1 2 O 2 ( g ) ⇋ SO 3 (g). if K P =…

Question

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For the reaction SO₂ (g) +

\frac{1}{2} O_{2} (g) ⇋

SO₃(g).
if K_P = K_C(RT)^x where the symbols have usual meaning then the value of x is: (assuming ideality)

Accepted Answer

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

K_{p} = K_{C} {(R T)}^{x}

where

x = Δ n_{g} =

number of gaseous moles in product

-

number of gaseous moles in reactant

= 1 - (1 + \frac{1}{2})

= 1 - \frac{3}{2} = - \frac{1}{2}

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