Q. 14.5( 4 Votes )

We know that the

Answer :

In the equation Kp = Kc (RT) Δn,∆n equals to the difference b/w the number of moles of gaseous products and gaseous reactants where, Kp and Kc are the Equilibrium constants at constant pressure and temperature respectively.


For the reaction NH4 Cl (s) NH3 (g) + HCl (g)


The no. of moles of reactant is 1 ( 1 molecule of ammonium chloride involved) and the no. of moles of reactant is 2 ( ammonia and HCl )


Then ,∆n = (2 – 1 ) = 1.

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