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CGP EDU Academic Team
Published on: August 14, 2026
If two gases AB2 and B2C are mixed the following equilibria are readily established
AB2(g) + B2C(g) 
AB3(g) + BC (g)
BC(g) + B2C(g) 
B3C2 (g)
It the reaction is started only with AB2 with B2C , then which of the following is necessarily true at equilibrium:
Text Solution
Verified by ExpertsThe correct answer is:
CHECK THE SOLUTION.
(c, d)
Let reactions is started with a mole of AB2 and b mole of B2C
AB2 (g) + B2C(g) 
AB3(g) + BC(g)
a b 0 0
a – x b – x – y x x – y
BC(g) + B2C(g) 
B3C2 (g)
x – y b – x – y y As y > x
Clearly [AB3]eq > [B3C2]eq
Sand [AB3]eq > [BC]eq
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