Question

If 1.28 g PCl3 and 1.17 g Cl2 react completely, what is the theoretical yield, in grams, of PCl5? _____ PCl3 + _____ Cl2 à _____ PCl5

Answer 1

Answer:

2 mole each of PCl

5

and Cl

2

and 1 mole of PCl

3

are taken in 5lt. flask at 27

o

C. After following equilibrium is attained in gaseous phase, PCl

5

⇌PCl

3

+Cl

2

, PCl

5

is found to be 40% dissociated. Calculate equilibrium constant K

c

.