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Phosgene gas ("COCl"(2)) dissociates to ...

Phosgene gas `("COCl"_(2))` dissociates to carbon monoxide gas and chlorine gas with a change of pressure from 450 mm Hg to 600 mm Hg. If volume and temperature remain constant through out the experiment the value of `K_(p)` is:

A

400

B

200

C

115

D

75

Text Solution

Verified by Experts

The correct Answer is:
D
`underset(450-x)underset(450)(COCl_(2(g))) harr underset(x)underset(0)(CO_((g)))+underset(x)underset(0)(Cl_(2(g)))`
`450- cancel(x)+ cancel(x)+x=600`, x =150
`K_(P)=(PCO.PCl_(2))/(PCOCl_(2)), (150 xx 150)/(300)=75`
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