Chemistry - Chemical Equilibrium Question with Solution | TestHub

ChemistryChemical EquilibriumMiscellaneous/MixedEasy2 minPYQ_2020
ChemistryEasysingle choice

0.6 mole ofPCl5,0.3mole ofPCl3and 0.4 mole ofCl2are taken in a 1 L flask to obtain the following equilibrium
PCl5(g)⇌PCl3(g)+Cl2(g)
If the equilibrium constantKcfor the reaction is 0.15. Predict the direction of the reaction.

Options:

Answer:
B
Solution:

PCl5(g)⇌PCl3(g)+Cl2(g)
Qc=0.4×0.30.6=0.2
Kc=0.15sinceQc>Kcreaction will proceed in backward direction.

Stream:NTA_ABHYAS_NEETSubject:ChemistryTopic:Chemical EquilibriumSubtopic:Miscellaneous/Mixed
⏱ 2mℹ️ Source: PYQ_2020

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