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### Question Asked by a Student from EXXAMM.com Team

** Q 2606180978. ** Consider the chemical reaction, `N_2 (g) + 3H_2 (g) -> 2NH_3 (g)` The rate of this reaction can be expressed in terms of time derivatives of concentration of `N_2 (g), H_2 (g)` or `NH_3 (g)`. Identify the correct relationship amongst the rate expressions

**JEE 2002 **