Relation betw...

Relation between Kp and Kc

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For $N_{2} (g) + 3 H_{2} (g) ⇌ 2 N H_{3} (g) + h e a t$

K_P = K_C(RT)
K_P = K_C(RT)²
K_P = K_C(RT)^-2
K_P = K_C(RT)^-1

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In which of the following reaction, the value of $K_{p}$ will be equal to $K_{c}$

H₂ + I₂ 2HI
PCl₅ PCl₃ + Cl₂
2SO₂ + O₂ 2SO₃
2NH₃N₂+ 3H₂

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For the reaction $P C l_{3} (g) + C l_{2} (g) ⇌ P C l_{5} (g)$ at $2500^{\circ} C$ , the value of $K_{C}$ is $26$ , then the value of $K_{P}$ at the same temperature will be

0.61
0.57
0.83
0.46

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In which of the following equilibria, the value of $K_{P}$ is less than $K_{C}$

H₂ + I₂2HI
N₂ + 3H₂2NH₃
N₂ + O₂2NO
CO + H₂O CO₂ + H₂

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Q. The values of

K_{p} 1

and

K_{P} 2

for the reactions

X ⇋ Y + Z a n d A ⇋ 2 B

Are in the ratio of

9 : 1.

If the degree of dissociation of

X a n d A

be equal, then total pressure at equilibrium

(1) a n d (2)

are in the ration

1:1
3:1
1:9
36:1

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Q. The value of

K_{p}

for the following reaction

2 H_{2} S (g) ⇌ 2 H_{2} (g) + S_{2} (g) i s 1.2 \times 10^{- 2} a t {106.5}^{o} C .

The value of

K_{C}

for this reaction is

$1.2 \times 10^{- 2}$
83
$< 1.2 \times 10^{- 2}$
$> 1.2 \times 10^{- 2}$

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Q. For the synthesis of ammonia,

K_{p}

and

K_{c}

are related as:

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The ratio of $K_{p}$ to $K_{c}$ for the equilibrium $C O (g) + \frac{1}{2} O_{2} (g) ⇌ C O_{2} (g)$ is

1
RT
(RT)^1/2

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For a general reaction aA(g) + bB(g) $⇋$ cC(g)+ dD(g), what is the relationship between the equilibrium constants $K_{c}$ and $K_{p}$ ? [assume $Δ$ n = $μ$ = (c + d) - (a+b)

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The $\frac{K_{P}}{K_{C}}$ ratio will be highest in case of

$P C l_{5} (g) ⇌ P C l_{3} (g) + C l_{2} (g)$
$C O (g) + \frac{1}{2} O_{2} (g) ⇌ C O_{2} (g)$
$H_{2} (g) + I_{2} (g) ⇌ 2 H l (g)$
$7 H_{2} (g) + 2 N O_{2} (g) ⇌ 2 N H_{3} (g) + 4 H_{2} O (g)$

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