in a 1L vessel @ 1000K r introduced 0.1 mole each of NO & Br2 &

0.01mole ofNOBr.

kc=0.0132.

determine the direction of net eqlm & calc. the partial pressure of NOBr in the vessel @ eqlm.

Calculate Qc and thend ecide the shift of equilibrium.

                             2NO + Br2 ---------->  2NOBr

 t=0                     0.1       0.1                      0.01

Qc = (NOBr)²/(NO)² (Br2)

Qc = (0.01)²/(0.1)² (0.1)    

Qc = 10^-4/10^-3

Qc = 10^-1

or 0.1

thus, Qc >> Kc

Equilibrium will shift in backward position.

plz approve!