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Derivation of Kp and Kc

For the react...

Question

For the reaction $2 N O_{(g)} + C l_{2 (g)} ⇌ 2 N O C l_{(g)}$ which is true?

K_{p} = K_{c} \times R T

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K_{p} = K_{c} \times (R T)^{2}

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K_{p} = \frac{K_{c}}{R T}

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K_{p} = \frac{K_{c}}{(R T)^{2}}

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Solution

The correct option is D $K_{p} = \frac{K_{c}}{R T}$
${2 N O}_{(g)} + {C l}_{2 (g)} ⇌ {2 N a C l}_{(g)}$

We know that $K_{P} = K_{C} {(R T)}^{Δ n}$

$Δ n = 2 - 2 - 1 = - 1$

$K_{P} = K_{C} {(R T)}^{- 1}$

$∴ K_{P} = \frac{K_{C}}{R T}$

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Similar questions

Q. Assertion :

K_{p} = K_{c}

for all reactions. BECAUSE Reason:

K_{p}

and

K_{c}

are interrelated by the equation

K_{p} = K_{c} {(R T)}^{Δ n}

Q. For the reaction

C u {S O}_{4} \cdot 5 H_{2} O_{(s)} ⇌ {C u S O}_{4} \cdot {3 H}_{2} O_{(s)} + {2 H}_{2} O_{(g)}

which one is correct representation :-
(1)

K_{p} = {(P_{(H_{2} O)})}^{2}

(2)

K_{c} = {(H_{2} O)}^{2}

(3)

K_{p} = K_{c} {(R T)}^{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) ]\)

Q. For the reaction:

2 N O C l (g) ⇌ 2 N O (g) + {C l}_{2} (g)

K_{c}

427^{o} C

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. The value of

K_{p}

is nearly:

Q. For the reaction,

2 N O C l (g) ⇌ 2 N O (g) + C l_{2} (g); K_{c}

427^{\circ}

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For the reaction 2NO(g)+Cl2(g)⇌2NOCl(g) which is true?

The correct option is D Kp=KcRT2NO(g)+Cl2(g)⇌2NaCl(g)We know that KP=KC(RT)ΔnΔn=2−2−1=−1KP=KC(RT)−1∴KP=KCRT

For the reaction $2 N O_{(g)} + C l_{2 (g)} ⇌ 2 N O C l_{(g)}$ which is true?

The correct option is D $K_{p} = \frac{K_{c}}{R T}$
${2 N O}_{(g)} + {C l}_{2 (g)} ⇌ {2 N a C l}_{(g)}$

We know that $K_{P} = K_{C} {(R T)}^{Δ n}$

$Δ n = 2 - 2 - 1 = - 1$

$K_{P} = K_{C} {(R T)}^{- 1}$

$∴ K_{P} = \frac{K_{C}}{R T}$