The reaction A + B ⇌ C + D is studied in a one litre vessel at 2500C. The initial concentration of A was 3n and that of B was n. When equilibrium was attained, equilibrium concentration of C was found to the equal to the equilibrium concentration of B. What is the concentration of D at equilibrium ?
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a
n/2
b
3n - 1/2
c
n - n/3
d
n
answer is A.
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Detailed Solution
A + B ⇌ C + Dt = 0 ; 3n n 0 0t =∞; 3n - x n - x x xGiven [B]=[C] n-x=x x = n2, i.e., Deq. = n2