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Standard XII

Chemistry

Equilibrium Constant and Standard Free Energy Change

For equilibri...

Question

For equilibrium, $2 N O_{2} (g) ⇌ N_{2} O_{4} (g) + 14.6 k c a l$ increases of temperature would

Favour the formation of

N_{2} O_{4}

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Not after the equilibrium

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Favour the decomposition of

N_{2} O_{4}

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Stop the reaction

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Solution

The correct option is A Favour the formation of $N_{2} O_{4}$
For equilibrium, $2 N O_{2} (g) ⇌ N_{2} O_{4} (g) + 14.6 k c a l$ increases of temperature would Favour the formation of $N_{2} O_{4}$ .
The above reaction is a Exothermic reaction.According to Lechatlier's principle decrease in temperature favors the forward reaction that is in the above cas increase in temperature favors the decomposition of $N_{2} O_{4}$ .
Hence option C is correct.

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Similar questions

For the equilibrium $2 N O_{2} (g) ⇌ N_{2} O_{4} (g) + h e a t (14.6 k c a l)$ the increase in

temperature would

N_{2} O_{4}

dissociates as,

N_{2} O_{4} (g) ⇌ 2 N O_{2} (g)

55^{o} C

and

1.2

atmosphere,

%

decomposition of

N_{2} O_{4}

50.0 %

.
At what pressure and same temperature, the equilibrium mixture has the ratio of

N_{2} O_{4} : N O_{2}

1 : 8

?
(Report the answer upto two decimal)

N_{2} O_{4}

dissociates as,

N_{2} O_{4} (g) ⇌ 2 N O_{2} (g)

55^{o} C

and

1.2

atmosphere,

%

decomposition of

N_{2} O_{4}

50.0 %

.
At what pressure and same temperature, the equilibrium mixture has the ratio of

N_{2} O_{4} : N O_{2}

1 : 8

?
(Report the answer upto two decimal)

Q. The decomposition of

N_{2} O_{4}

N O_{2}

is carried out at

280^{o} C

in chloroform. When equilibrium is reached, 0.2 mol of

N_{2} O_{4}

and

2 \times 10^{- 3}

mol of

N O_{2}

are present in a 2L solution. The equilibrium constant for the reaction

N_{2} O_{4} ⇌ 2 N O_{2}

is:

Q. A constant temperature, the equilibrium constant

(K_{p})

for the decomposition reaction

N_{2} O_{4} ⇌ 2 N O_{2}

is expressed by

K_{p} = (4 x^{2} p) / (1 - x^{2})

, where

p =

pressure and

x =

extent of decomposition. Which one of the following statements is true?

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For equilibrium, 2NO2(g)⇌N2O4(g)+14.6 k cal increases of temperature would

For equilibrium, $2 N O_{2} (g) ⇌ N_{2} O_{4} (g) + 14.6 k c a l$ increases of temperature would