$P C l_{5} (g)$ $\to$ $P C l_{3} (g) + C l_{2} (g)$ in the reversible reaction, the moles of $P C l_{5}, P C l_{3} a n d C l_{2}$ are a, b and c respectively and total pressure at equilibrium is P, then value of $K_{p}$ is:

\frac{b c}{a} . R T

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\frac{b}{(a + b + c)} . P

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\frac{b c P}{a (a + b + c)}

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\frac{c}{a (a + b + c)} . P

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Solution

The correct option is C $\frac{b c P}{a (a + b + c)}$
$P C l_{5}$ $\to$ $P C l_{3}$ + $C l_{3}$
moles a b c
mole fraction $\frac{a}{(a + b + c)} \frac{b}{(a + b + c)} \frac{c}{(a + b + c)}$
Partial Pressure: $\frac{a}{(a + b + c)} . P \frac{b}{(a + b + c)} . P \frac{c}{(a + b + c)} . P$
$K_{p} = \frac{\frac{b}{(a + b + c)} . P \frac{c}{(a + b + c)} . P}{\frac{a}{(a + b + c)} . P}$
$= \frac{b c}{a (a + b + c)} P$

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Similar questions

$P C l_{5} ⇌ P C l_{3} + C l_{2}$ in the reversible reaction, the moles of $P C l_{5}$ , $P C l_{3}$ and $C l_{2}$ are a, b and c respectively at equilibrium and total pressure is P, then value of $K_{p}$ is:

P {C l}_{5} ⇌ P {C l}_{3} + {C l}_{2}

in the reversible reaction the moles of

P {C l}_{5}, P {C l}_{3}, {C l}_{2}

are

a, b

and

c

respectively and total pressure is

P

then value of

K_{p}

is:

P C l_{3} ⇌ P C l_{3} + C l_{2}

in the reversible reaction the moles of

P C l_{3}

and

C l_{2}

are

a, b

and

c

respectively and total pressure is

P

, then value of

K_{p}

is:

Q. For

P C l_{5} (g) ⇌ P C l_{3} (g) + C l_{2} (g),

write the expression of

K_{c} .

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PCl5(g) → PCl3(g)+Cl2(g) in the reversible reaction, the moles of PCl5, PCl3 and Cl2 are a, b and c respectively and total pressure at equilibrium is P, then value of Kp is:

The correct option is C bcPa(a+b+c)PCl5 → PCl3 + Cl3 moles a b c mole fraction a(a+b+c)b(a+b+c)c(a+b+c) Partial Pressure: a(a+b+c).Pb(a+b+c).Pc(a+b+c).P Kp=b(a+b+c).Pc(a+b+c).Pa(a+b+c).P =bca(a+b+c)P

$P C l_{5} (g)$ $\to$ $P C l_{3} (g) + C l_{2} (g)$ in the reversible reaction, the moles of $P C l_{5}, P C l_{3} a n d C l_{2}$ are a, b and c respectively and total pressure at equilibrium is P, then value of $K_{p}$ is: