1.

The initial concentrations of A and B are same for A +2B harr 3C and when equilibrium concentrations of B and C are same then K_(c) is

Answer»

0.25
0.75
0.5
1

Solution :
[B]=[C] `x=a // 5`
`K_(C)=([C]^(3))/([A][B]^(2))=(((3A)/(5))^(3))/((4a // 5)(3a // 5)^(2))=(3)/(4)`


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