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Question

The relationship between Kp, and Kc is Kp=Kc(RT)Δ n. What would be the value of Δn for the reaction
NH4Cl(s)NH3(g)+HCl(g) ?

A
1
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B
0.5
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C
1.5
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D
2
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Solution

The correct option is D 2
The relation between Kp and Kc is goven as Kp=Kc(RT)n
where, n= moles of gaseous species and n =(moles of product)- (moles of reactant)
For the reaction,
NH4Cl(s)NH3(g)+HCl(g)
we have 2 moles of gaseous species in the product side and none in the reactant side.
n=20=2

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