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Relation between Kp and Kc

At high tempe...

Question

At high temperature of $727^{\circ} C$ , a dynamic equilibrium exists between $C O, C O_{2}$ and solid carbon.
$C (s) + C O_{2} (g) ⇌ 2 C O (g); K_{C} = 0.1 M$
Then value of $K_{P}$ at given temperature is :

82.1 atm

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0.821 atm

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0.0821 atm

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8.21 atm

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Solution

The correct option is D 8.21 atm
We know from relation between $K_{p}$ and $K_{c}$
$K_{p} = K_{c} (R T)^{Δ n}$
Where,
$Δ n = Number of moles of product in gaseous state - number of moles of reactant in gaseous state$
$(Δ n)_{g} = 2 - 1 = 1$

$We know, R = 0.0821 {L atm mole}^{- 1} K^{- 1} Temperature (given), T = 727^{\circ} C = (727 + 273) K = 1000 K ∴ K p = (0.1) (0.0821 \times 1000)^{1} atm \Rightarrow K_{p} = 8.21 a t m$

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Similar questions

Q. At high temperature of

727^{\circ} C

a dynamic equilibrium exists between

C O, C O_{2}

and solid carbon.

C (s) + C O_{2} (g) ⇌ 2 C O (g)

;

K_{c} = 0.1 M

Then value of

K_{p}

at given temperature is:

Q. At

1127 K

and

1 a t m

pressure, a gaseous mixture of

C O

and

C O_{2}

in equilibrium with solid carbon has

90.55

C O

by mass

C (s) + C O_{2} (g) ⇋ 2 C O (g)

Calculate

K_{c}

for this reaction at the above temperature.

Q. At

1127 K

and

1 a t m

pressure, a gaseous mixture of

C O

and

C O_{2}

in equilibrium with solid carbon has

90.55 %

C O

by mass.

C_{(s)} + C O_{2 (g)} ⇌ 2 C O_{(g)}

Calculate

K_{c}

for the reaction at the above temperature.

Q. At

1127

K and

1

atm pressure, a gaseous mixture of CO and

C O_{2}

in equilibrium with solid carbon has

90.55 %

CO by mass,

C_{(s)} + C O_{2 (g)} ⇌ 2 C O_{(g)}

K_{c}

for this reaction at the above temperature is:

At 1127 K and 1 atm pressure, a gaseous mixture of CO and CO₂ in equilibrium with solid carbon has 90.55% CO by mass

Calculate K_c for this reaction at the above temperature.

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At high temperature of 727 ∘C, a dynamic equilibrium exists between CO,CO2 and solid carbon. C(s)+CO2(g)⇌2CO(g); KC=0.1M Then value of KP at given temperature is :

At high temperature of $727^{\circ} C$ , a dynamic equilibrium exists between $C O, C O_{2}$ and solid carbon.
$C (s) + C O_{2} (g) ⇌ 2 C O (g); K_{C} = 0.1 M$
Then value of $K_{P}$ at given temperature is :