MCQ on Kp and Kc Relationship: Chemistry is considered to be the most scoring subject in NEET JEE Exam. As it is one of the easiest scoring subjects, it is often ignored and undermined a subject. But if you want to get an edge over others, here is a tip, master NEET/JEE Chemistry concepts. Chemistry demands the attention of students in understanding reactions and concrete basic understanding but once done it only gets easier from there. Mastering NCERT syllabus for NEET/JEE Chemistry should be topping your list of to-do for chemistry.

In this post we are providing you MCQ on Kp and Kc Relationship, which will be beneficial for you in upcoming NEET, JEE, Medical and Engineering Exams.

MCQ on Kp and Kc Relationship

Q1. If Kp and Kc are in equilibrium constants in terms of partial pressure and concentration _____.
a) Kp = Kc/RT
b) Kp = KcRT
c) Kp = Kc/(RT)^𐤃n
d) Kp = Kc(RT)^𐤃n

Q2. The mass of a gas dissolved in a given mass of a solvent at any temperature is directly proportional to ________.
a) pressure of gas
b) volume of gas
c) density of gas
d) None of the above 

Q3. Which of the following is not correct?
a) large value of K indicates large amount of products
b) small value of K indicates large amount of reactants
c) for K < 1 amount of reactants > amount of products
d) None of the above 

Q4. For a reaction in equilibrium ________.
a) Q > K
b) Q < K
c) Q (concentration quotient) = K (equilibrium constant)
d) None of the above

Q5. Two moles of PCl₅ were heated to 400^oC in 2 litres closed vessel. At equilibrium, 40% of PCl₅ was dissociated into PCl₃ and Cl₂. Its Kc will be ________.
a) 3.75 mol/L
b) 0.267 mol/L
c) 0.533 mol/L
d) None of the above

Q6. Which of the following is an example of solid-solution equilibrium?
a) melting of ice
b) dissolution of sugar in water
c) evaporation of water in a closed vessel
d) None of the above

Q7. What will be the value of Kp if the Kc is 26 for a reaction, PCl₅ ⇌ PCl₃ + Cl₂ at 25o°?
a) 0.46
b) 0.57
c) 0.61
d) 0.83

Q8. Active mass in the law of mass action is _______.
a) molar mass
b) molar concentration
c) absolute concentration
d) concentration at 0^oC

Q9. For which of the following reactions Kp is less than Kc?
a) 2HI ⇌ H₂ + I₂
b) 2SO₂ + O₂ ⇌ 2SO₃
c) N₂ + O₂ ⇌ 2NO
d) N₂O₄ ⇌ 2NO₂

Q10. When Q (concentration quotient) is smaller than equilibrium constant reaction will ______.
a) be in equilibrium
b) proceed in forward direction
c) proceed in backward direction
d) None of the above

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