Q.

1 mole A(g) is heated in 1lit closed vessel and equilibrium is reached at 3000C in  A(g) ⇌ B(g).  If KC= 4, concentration of B(g) at equilibrium is (in mole/lit)

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a

0.2

b

0.6

c

0.8

d

0.1

answer is C.

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Detailed Solution

Let at equilibrium x moles of A is reactedA1-x mole1 mole⇌BXKC = BA =x1-x=4x = 0.8[B] = x =0.8 M
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