At the equilibrium of the reaction -A g -2 B s - C s -2 D s - E g - A reacts to the extent of 20 - at 400 K and to the extent of 25 - at 300 K- The equilibrium shifts in forwarddirectionA- On increasing both pressure and temperatureB- On decreasing both pressure and temperatureC- On decreasing temperature onlyD- On using the catalyst

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Characteristics of Equilibrium Constant

At the equili...

Question

At the equilibrium of the reaction :
$A_{(g)} + 2 B_{(s)} ⇌ C_{s} + 2 D_{(s)} + E_{(g)},$ A reacts to the extent of 20% at 400 K and to the extent of 25% at 300K. The equilibrium shifts in forward direction

On increasing both pressure and temperature

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On decreasing both pressure and temperature

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On decreasing temperature only

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On using the catalyst

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Solution

The correct option is C
On decreasing temperature only

K will increase on decreasing temperature. So the reaction is exothermic

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Similar questions

At the equilibrium of the reaction :
$A_{(g)} + 2 B_{(s)} ⇌ C_{s} + 2 D_{(s)} + E_{(g)},$ A reacts to the extent of 20% at 400 K and to the extent of 25% at 300K. The equilibrium shifts in forward direction

Q. For the given reaction,

2 A (s) + B (g) ⇌ C (g) + 2 D (s) + E (s)

the degree of dissociation of B was found to be 20% at 300 K and 24% at 500 K. The rate of backward reaction

Q. The equilibrium constant

K_{c}

K_{p}

for endothermic reaction increases with

N_{2} O_{4}

at an initial pressure of

2 a t m

and

300 K

dissociates to an extent of

20

% at the same temperature by the time equilibrium is established.

K_{p}

for this reaction

2 N O_{2} ⇌ N_{2} O_{4}

is:

A gaseous compound of molecular mass 82.1 dissociates on heating to 400K as : $X_{2} Y_{4 (g)} \to X_{2 (g)} + 2 Y_{2 (g)}$ . The density of the equilibrium mixture at a pressure of 1 atm and temperature of 400K is $2.0 g L^{- 1}$ . The compound dissociates to the extent of :

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At the equilibrium of the reaction : A(g)+2B(s)⇌Cs+2D(s)+E(g), A reacts to the extent of 20% at 400 K and to the extent of 25% at 300K. The equilibrium shifts in forward direction

The correct option is C On decreasing temperature only K will increase on decreasing temperature. So the reaction is exothermic

At the equilibrium of the reaction :
$A_{(g)} + 2 B_{(s)} ⇌ C_{s} + 2 D_{(s)} + E_{(g)},$ A reacts to the extent of 20% at 400 K and to the extent of 25% at 300K. The equilibrium shifts in forward direction

The correct option is C
On decreasing temperature only

K will increase on decreasing temperature. So the reaction is exothermic