5
1 mole of 'A', 1.5 mole of 'B' and 2 mole of 'C' are
taken in a vessel of volume one litre. At equilibrium
concentration of C is 0.5 mole/L. Equilibrium
constant for the reaction, Ag + Bg = Cg is
(1) 0.66
(2) 0.066
(3) 66
(4) 6.6
Answers
Answer:
A+B⇄C
1 1.5 2
1-x 1.5-x 2+x=0.5
x=0.5-2
x=-1.5
2+x=2-1.5=0.5
=
=0.0666
so option 2 is correct
The value of the equilibrium constant is 0.066
Explanation:
Initial concentration of
Initial concentration of
Initial concentration of
equilibrium concentration of C = 0.5 M
The given balanced equilibrium reaction is,
Initial conc. 1 M 1.5 M 2 M
At eqm. conc. (1+x) M (1.5+x) M (2-x) M
As concentration of C is decreasing, the reaction is taking place in backward direction.
The expression for equilibrium constant for this reaction will be,
we are given : 2 - x = 0.5
x = 2 - 0.5 = 1.5
Now put all the value of x in this expression, we get :
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