1. Tardigrade
  2. Question
  3. Chemistry
  4. XY 2 dissociates as, XY 2( g ) leftharpoons XY ( g )+ Y ( g ) when the initial pressure of X Y2 is 600 mm Hg , the total equilibrium pressure is 800 mm Hg. Calculate K for the reaction assuming that, the volume of the system remains unchanged

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Q. $XY _{2}$ dissociates as, $XY _{2( g )} \rightleftharpoons XY _{( g )}+ Y _{( g )}$ when the initial pressure of $X Y_{2}$ is $600\, mm \,Hg ,$ the total equilibrium pressure is $800\, mm\, Hg$. Calculate $K$ for the reaction assuming that, the volume of the system remains unchanged

Equilibrium

Solution:

image

Total pressure $=600-P+P+P=800$

$\therefore P=200\, mm$

$\therefore K_{p}=\frac{P \times P}{600-P}=\frac{200 \times 200}{400}=100$