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Characteristics of Equilibrium Constant

If a is the d...

Question

If $a$ is the degree of dissociation of $P C l_{5}$ at equilibrium for the reaction, $P C l_{5} ⇌ P C l_{3} + C l_{2}$
The total number of moles of the reaction Consider intial moles of $P$ to be 1:

A

1 - a

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B

1 + a

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C

3

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D

1

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Solution

The correct option is B $1 + a$
Given: degree of dissociation of $P C l_{5}$ = $a$
$P C l_{5} ⇌ P C l_{3} + C l_{2}$
Initial moles $1$ $0$ $0$
After diss. $1 - a$ $a$ $a$

Total moles at equilibrium = $1 - a + a + a$ = $1 + a$

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Similar questions

a

is the degree of dissociation of

P C l_{5}

at equilibrium for the reaction,

P C l_{5} ⇌ P C l_{3} + C l_{2}

The total number of moles of the reaction Consider intial moles of

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Q. If the degree of dissociation of

P C l_{5}

in the reaction

P C l_{5} (g) \Leftrightarrow P C l_{3} (g) + C l_{2} (g)

at equilibrium is 0.2 and if the initial number of moles of

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Characteristics of Equilibrium Constant

Standard XIII Chemistry

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