The equilibrium concentrations of the species in the reaction A + B ? C + D are 2, 3, 10 and 6 mol L-1 respectively at 300 K. ΔG° for the reaction is (R = 2cal/molK)
The equilibrium concentrations of the species in the reaction A + B ? C + D are 2, 3, 10 and 6 mol L-1 respectively at 300 K. ΔG° for the reaction is (R = 2cal/molK)
Option 1 -
-13.73cal
Option 2 -
1372.60cal
Option 3 -
-137.26cal
Option 4 -
-1381.80cal
-
1 Answer
-
Correct Option - 4
Detailed Solution:Keq. = ( [C] [D])/ ( [A] [B])
Keq = (10 × 6)/ (2 × 3) = 10
ΔG° = −2.303RTlog Keq. = −2.303 (2) (300) (log 10)
= −1381.8cal (? R = 2cal/molk)
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