`PCl_5` decomposes as `PCl_5(g) hArr PCl_3(g)+Cl_2(g)`.If at equilibrium , total pressure is P and density of gaseous mixture is d at temperature T then degree of dissociation `(alpha)` is : (Molecular wt. of `PCl_5=M`)A. `alpha=1-(PM)/(dRT)`B. `alpha=1-(dRT)/(PM)`C. `alpha=(PM)/(dRT)-1`D. `alpha=(dRT)/(PM)-1`

`PCl_5` decomposes as `PCl_5(g) hArr PCl_3(g)+Cl_2(g)`.If at equilibri

1.	`PCl_5` decomposes as `PCl_5(g) hArr PCl_3(g)+Cl_2(g)`.If at equilibrium , total pressure is P and density of gaseous mixture is d at temperature T then degree of dissociation `(alpha)` is : (Molecular wt. of `PCl_5=M`)A. `alpha=1-(PM)/(dRT)`B. `alpha=1-(dRT)/(PM)`C. `alpha=(PM)/(dRT)-1`D. `alpha=(dRT)/(PM)-1`
Answer» Correct Answer - C

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