MCQ
Consider the following reaction
$N _{2} O _{4}( g ) \rightleftharpoons 2 NO _{2}( g ) ; \Delta H ^{0}=+58 kJ$
For each of the following cases $(a, b),$ the direction in which the equilibrium shifts is:
$(a)$ Temperature is decreased
$(b)$ Pressure is increased by adding $N _{2}$ at constant $T$
- ✓$(a)$ towards reactant, $(b)$ no change
- B$(a)$ towards product, $(b)$ towards reactant
- C$(a)$ towards product, $(b)$ no change
- D$(a)$ towards reactant, $(b)$ towards product
