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( i) N_ 2 (~g)+3 H_ 2 (~g) rightleftharpoons 2 NH_ 3 (~g) ) ii) ( 2 HI(g) rightleftharpoons H_ 2 (~g)+I_ 2 (~g) ) iii) ( PCl_ 5 rightleftharpoons PCl_ 3 +Cl_ 2 ) | Suva Ai