NEET Test Series-2021 to 2022/NEET Chemistry MCQS - Equilibrium State Sample Test,Sample questions

Question:
 0.1M solution of which of the substances will be basic?

1.sodium borate

2.ammonium chloride

3.calcium nitrate

4.sodium sulphate


Question:
 According to Le Chatelier’s principle adding heat to a solid and liquid in equilibrium will cause the

1.amount of solid to decrease

2.amount of liquid to decrease

3.temperature to rise

4.temperature to fall


Question:
 At a certain temperature 2HI ⥨ H2 + I2 only 50% HI is dissociated at equilibrium. The equilibrium constant is

1.0.25

2.1

3.3

4.0.6


Question:
 Which has the highest degree of ionization?

1.0.1M NH3

2.0.001M NH3

3.0.1M NH3

4.0.0001M NH3


Question:
Addition of which chemical will decrease the hydrogen ion concentration of an acetic acid solution?

1.. NH4Cl

2. Al2(SO4)3

3. AgNO3

4.NaCN


Question:
All compounds are in equilibrium in a reversible reaction. If reactants are doubled in concentration the equilibrium constant would be

1.reduced to half its original value

2.reduced to one-fourth of its original value

3.doubled

4.constant


Question:
 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

1.ideal solution

2.colloidal solution

3.true solution

4.buffer solution


Question:
 Equimolar solutions of the following compounds are prepared separately in water. Which will have the lowest pH value?

1.BeCl2

2. SrCl2

3. CaCl2

4. MgCl2


Question:
The solubility of Fe(OH)3 would be maximum in

1.0.1M NaOH

2.0.1M HCl

3.0.01M KOH

4.0.1M H2SO4


Question:
Which of the following sulphides has the largest value of Ksp?

1.CuS

2.CdS

3.PbS

4.ZnS


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