Chemistry - Chemical Equilibrium Question with Solution | TestHub

ChemistryChemical EquilibriumProblems involving KpHard2 minPYQ_2019
ChemistryHardsingle choice

What are the values ofKpKcfor the following reactions at300 Krespectively?

(At300 K, RT=24.62 dm2atm mol-1)

N2 g+O2 g⇌2NO g

N2O4 g⇌2NO g

N2 g+3H2 g⇌2NH3 g

Options:

Answer:
C
Solution:

∵ KP=KCRTΔng

KPKC=RTΔng

(i)N2+O2⇌2NO Δng=0∴KPKC=1

(ii)N2O4⇌2Na2 Δng=1 ∴KPKC=RT1=24.621

(iii)N2+3H2⇌2 NH3 Δng=-2∴KPKC=RT-2=24.62-2=1.659×10-3 ≃1.65× 10 −3

Stream:JEESubject:ChemistryTopic:Chemical EquilibriumSubtopic:Problems involving Kp
⏱ 2mℹ️ Source: PYQ_2019

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