Q.

Consider the following equilibrium at 300K and 400K with their equilibrium constants and choose the correct statement

  Reactions 300K 400K
I A(g)2B(g) Keq=10 Keq=5
II C(g)D(g) Keq=2 Keq=5

 

1 I is endothermic, II is exothermic  
2 I is exothermic, II is endothermic  
3 I and II both are endothermic  
4 I & II both are exothermic  

Ans.

(2)

I is exothermic, II is endothermic.