1. Reversible reaction is represented as
(A) →
(B) =
(C) ⇌
(D) ≠
2. Equilibrium constant is represented by
(A) Kp
(B) Kv
(C) Kc
(D) All of these
3. Rate of reaction is directly proportional to the product of molar concentration of
(A) Product
(B) Reactant
(C) Reactant and product
(D) None of these
4. Law of mass action was given by
(A) Guldberg and Waage
(B) Vant Hoff
(C) Bodenstein
(D) Bouger
5. Active mass shows
(A) Molar volume
(B) Molar mass
(C) Molar concentration
(D) Molecule
6. Active mass of solid substance is
(A) Maximum
(B) Positive
(C) Negative
(D) Zero
7. The study of temperature effect at equilibrium was done by
(A) Lewis
(B) Vander Waals
(C) Arrhenius
(D) Vant Hoff
8. Reaction of organic acid and alcohol
(A) Esterification
(B) Substitution
(C) Saponification
(D) Dehydration
9. When moles of reactants and products are equal
(A) Kc = Kp
(B) Kc > Kp
(C) Kc < Kp
(D) None of these
10. The value of Kc in the reaction 2O₃ ⇌ 3O₂
(A) 10⁴⁵
(B) 10⁵⁵
(C) 10⁶⁵
(D) 10⁷⁵