For which one of the following gaseous equilibrium will an increase in pressure increase the yield of the product:

2 H I ⇌ H_{2} + I_{2}

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2 S O_{2} + O_{2} ⇌ 2 S O_{3}

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H_{2} O + C O ⇌ H_{2} + C O_{2}

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H_{2} + B r_{2} ⇌ 2 H B r

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Solution

The correct option is B $H_{2} O + C O ⇌ H_{2} + C O_{2}$
In $A, B$ and $D$ , the number of moles of reactants and products are same. Therefore, increase in pressure does not affect the rate of reaction. In $C$ . However, number of moles of product are less, therefore increase in pressure increases the rate of reaction.

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Similar questions

X, Y a n d Z

300 K

X : 2 S O_{2} + O_{2} ⇌ 2 S O_{3}

Y : P C l_{5} ⇌ P C l_{3} + C l_{2}

Z : 2 H I ⇌ H_{2} + I_{2}

K_{p}

K_{c}

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

H_{2} + I_{2} ⇋ 2 H I,

The equilibrium constant for the given reaction $H_{2} + I_{2} ⇌ 2 H I$ is correctly

given by expression

X, Y a n d Z

300 K

X : 2 S O_{2} + O_{2} ⇌ 2 S O_{3}

Y : P C l_{5} ⇌ P C l_{3} + C l_{2}

Z : 2 H I ⇌ H_{2} + I_{2}

K_{p}

K_{c}

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