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AP EAMCET202123 Aug 2021Evening ShiftChemistryChemical EquilibriumActual

When the reaction A+2 B 2 C+D was studied, it was observed that the initial concentration of B was 1.5 times that of A , and the equilibrium concentrations of A and C were equal. Then K_C for the given equilibrium is equal to

Options

  1. A4.1
  2. B0.3
  3. C2.5
  4. D1.8

Correct answer

B. 0.3

Step-by-step solution

Given, [A]=[C]a-x=2 x x=a / 3 Now, K_C= [C]^2[D] [A][B]^2 = ( 2 a 3 )^2 a 3 (a- a 3 ) ( 3 a 2 - 2 a 3 )^2 K_C=0.3

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