Chemistry Quiz on Equilibrium State for IIT JEE, NEET, Medical & Engineering Exam 2021

Chemistry Quiz on Equilibrium State

Chemistry Quiz on Equilibrium State: NEET/JEE Chemistry is considered to be the most scoring subject. 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 Chemistry quiz on Equilibrium State.

Chemistry Quiz on Equilibrium State

Q1. The solubility of Fe(OH)₃ would be maximum in ________.
a) 0.1M H₂SO₄
b) 0.01M KOH
c) 0.1M HCl
d) 0.1M NaOH

Q2. According to Le Chatelier’s principle adding heat to a solid and liquid in equilibrium will cause the ________.
a) Amount of solid to decrease
b) Amount of liquid to decrease
c) Temperature to rise
d) Temperature to fall

Q3. 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

Q4. At a certain temperature 2HI ⥨ H₂ + I₂ only 50% HI is dissociated at equilibrium. The equilibrium constant is _________.
a) 0.25
b) 1.0
c) 3.0
d) 0.6

Q5. 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

Q6. Which has the highest degree of ionization?
a) 0.0001M NH₃
b) 0.1M NH₃
c) 0.001M NH₃
d) 0.1M NH₃

Q7. 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) Buffer solution
b) Colloidal solution
c) Ideal solution
d) True solution

Q8. Which of the following sulphides has the largest value of Ksp?
a) CuS
b) CdS
c) PbS
d) ZnS

Q9. 0.1M solution of which of the substances will be basic?
a) Ammonium chloride
b) Calcium nitrate
c) Sodium sulphate
d) Sodium borate

Q10. Addition of which chemical will decrease the hydrogen ion concentration of an acetic acid solution?
a) Al₂(SO₄)₃
b) AgNO₃
c) NH₄Cl
d) NaCN

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