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Raoult's Law

Which reactio...

Question

Which reaction has an equilibrium constant ( $K_{p}$ ) equal to $1$ ?

N_{2} (g) + {3 H}_{2} (g) ⇌ 2 {N H}_{3} (g)

When:

N_{2} = 1 a t m

H_{2} = 2 a t m

{N H}_{3} = 4 a t m

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I_{2} (g) + H_{2} (g) ⇌ 2 H I (g)

When:

I_{2} = 2 a t m

H_{2} = 2 a t m

H I = 2 a t m

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{P C l}_{3} (g) + {C l}_{2} (g) ⇌ {P C l}_{5} (g)

When:

P {C l}_{3} = 3 a t m

{C l}_{2} = 4 a t m

P {C l}_{5} = 1 a t m

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2 {S O}_{2} + O_{2} ⇌ 2 {S O}_{3}

When:

{S O}_{2} = 2 a t m

O_{2} = 2 a t m

{S O}_{3} = 3 a t m

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Solution

The correct option is C $I_{2} (g) + H_{2} (g) ⇌ 2 H I (g)$
When: $I_{2} = 2 a t m$ , $H_{2} = 2 a t m$ , $H I = 2 a t m$
The reaction is :-
$I_{2} (g) + H_{2} (g) ⇌ 2 H I (g)$
$K_{P} = \frac{{(p H I)}^{2}}{p I_{2} . p H_{2}}$
$K_{P} = \frac{2 \times 2}{2 \times 2} = 1$

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Which reaction has an equilibrium constant (Kp) equal to 1?

The correct option is C I2(g)+H2(g)⇌2HI(g)When:I2=2 atm, H2=2 atm, HI=2 atmThe reaction is :-I2(g)+H2(g)⇌2HI(g)KP=(pHI)2pI2.pH2KP=2×22×2=1

Which reaction has an equilibrium constant ( $K_{p}$ ) equal to $1$ ?

The correct option is C $I_{2} (g) + H_{2} (g) ⇌ 2 H I (g)$
When: $I_{2} = 2 a t m$ , $H_{2} = 2 a t m$ , $H I = 2 a t m$
The reaction is :-
$I_{2} (g) + H_{2} (g) ⇌ 2 H I (g)$
$K_{P} = \frac{{(p H I)}^{2}}{p I_{2} . p H_{2}}$
$K_{P} = \frac{2 \times 2}{2 \times 2} = 1$