UPSEE Solved Model Paper 1

2𝐴 + 𝐵 ⇋ 2𝐶 + 𝐷
6400( At 𝑡 = 0)
6 − 2𝑎4 − 𝑎2𝑎𝑎 (At equilibrium)
Now, 2𝑎 = 4
𝛼 = 2
At equilibrum,
Mole of A = 2 Concentration [A] = 2/5
Mole of B = 2 Concentration [B] = 2/5
Mole of C = 4 Concentration [C] = 4/5
Mole of D = 2 Concentration [D] = 2/5
Kc =

[C]2[D]

[A]2[B]

=

( 4 5 )2( 2 5 )

( 2 5 )2( 2 5 )

= 4