For the chemical reaction, N2(g)+3H2(g)⇌2NH3(g)the correct option is
3dH2dt=2dNH3dt
-13dH2dt=-12dNH3dt
-d N2dt=2dNH3dt
-d N2dt=12dNH3dt
For the given chemical reaction,
Rate of reaction =-d N2dt=-13dH2dt=12dNH3dt