MCQ on Equilibrium State: 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 Equilibrium State, which will be beneficial for you in upcoming NEET, JEE, Medical and Engineering Exams.

MCQ on Equilibrium State

Q1. All compounds are in equilibrium in a reversible reaction. If reactants are doubled in concentration the equilibrium constant would be _______.
a) doubled
b) constant
c) reduced to half its original value
d) reduced to one-fourth of its original value

Q2. Which of the following sulphides has the largest value of Ksp?
a) CuS
b) CdS
c) PbS
d) ZnS

Q3. 0.1M solution of which of the substances will be basic?
a) calcium nitrate
b) sodium sulphate
c) sodium borate
d) ammonium chloride

Q4. In some solutions, the concentration of H₃O⁺ remains constant even when small amounts of strong acid or strong base are added to them. These solutions are known as _______.
a) ideal solution
b) true solution
c) buffer solution
d) colloidal solution

Q5. Which has the highest degree of ionization?
a) 0.001M NH₃
b) 0.0001M NH₃
c) 0.1M NH₃
d) 0.1M NH₃

Q6. According to Le Chatelier’s principle adding heat to a solid and liquid in equilibrium will cause the _______.
a) temperature to fall
b) temperature to rise
c) amount of solid to decrease
d) amount of liquid to decrease

Q7. Equimolar solutions of the following compounds are prepared separately in water. Which will have the lowest pH value?
a) BeCl₂
b) CaCl₂
c) MgCl₂
d) SrCl₂

Q8. At a certain temperature 2HI ⥨ H₂ + I₂ only 50% HI is dissociated at equilibrium. The equilibrium constant is _______.
a) 0.25
b) 0.5
c) 0.75
d) 1.25

Q9. Addition of which chemical will decrease the hydrogen ion concentration of an acetic acid solution?
a) AgNO₃
b) Al₂(SO₄)₃
c) NH₄Cl
d) NaCN

Q10. The solubility of Fe(OH)₃ would be maximum in _______.
a) 0.1M NaOH
b) 0.1M HCl
c) 0.01M KOH
d) 0.1M H₂SO₄

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By Team Learning Mantras