Equilibrium: Types and Examples

In this quiz, you will find questions based on the Equilibrium, types of equilibrium, equation of equilibrium, etc.

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Bases turn red litmus blue.

True False

Find the pH of a solution when 0.01 M HCl and 0.1 M NaOH are mixed in equal volumes

12.65 1.04 7.0 2.0

Which of the following aqueous solution will be the best conductor of electricity?

NH3 CH3COOH HCl C6H12O6

In 0.10 M aqueous solution of pyridine (C5H5N), find the percentage of pyridine that forms pyridinium ion (C5H5N+H) (Kb for C5H5N = 1.7 x 10-9 )

1.6% 0.77% 0.0060% 0.013%

Highest pH will be recorded for which of the following solutions if they are equimolar

AlCl3 BaCl2 BeCl2 LiCl

What will be the pH of a buffer solution having an equal concentration of B– and HB (Kb = 10-10 for B–)

7 4 10 6

A physician wishes to prepare a buffer solution at pH = 3.85 that efficiently resists changes in pH yet contains only small concentration of the buffering agents. Which of the following weak acids together with its sodium salt would be best to use?

2, 5-Dihydroxy benzoic acid (pKa = 2.97) Acetoacetic acid (pKa = 3.58) m-Chlorobenzoic acid (pKa = 3.98) p-Chlorocinnamic acid (pKa = 4.41)

What is the pH of a 0.10 M solution of barium hydroxide, Ba (OH)2?

11.31 11.7 13.30 None of these

Which of the following aqueous solutions will have highest pH?

NaCl CH3COONa Na2CO3 NH4Cl

Which of the following oxides is not expected to react with sodium hydroxide?

CaO SiO2 BeO B2O3

The pH of a 10-10 M NaOH solution is nearest to

10 7 4 -10

Which of the following is not a property of an acid according to Robert Boyle?

Turns blue Litmus red

Sour in taste

Neutralize bases

Bitter in taste

HCl is an Arrhenius ___________

Acid

Base

Salt

Water

A proton donor is a ____________ substance.

Protongenic

Protophilic

Amphoteric

Amphiprotic

A strong acid has a ______________

Weak conjugate acid

Weak conjugate base

Strong conjugate base

Strong conjugate acid

The liquid which has a ____ vapour pressure is more volatile and has a_____boiling point.

Higher, lower Higher , higher Lower, lower Lower, higher

A small amount of acetone is taken in a watch glass and it is kept open in atmosphere. Which statement is correct for the given experiment?

The rate of condensation from vapour to liquid state is much less than the rate of evaporation The rate of condensation from vapour to liquid state is equal or less than the rate of evaporation. The rate of condensation from vapour to liquid state is equal to the rate of evaporation None of these

Which of the following is not true about a reversible reaction?

Number of moles of reactants and products is always equal It can be attained only in a closed container It cannot be influenced by a catalyst The reaction does not proceed to completion

Boiling point of the liquid depends on the atmospheric pressure. It depends on the altitude of the place; at high altitude the boiling point…………..

Decreases

Increases

Either decreases or increases

Remains same

Reaction is said to be in equilibrium when

The rate of transformation of reactant to products is equal to the rate of transformation of products to the reactants.

50% of the reactants are converted to products

The volume of reactants is just equal to the volume of the products

The reaction is near completion and all the reactants are converted to products

Quiz/Test Summary

Title: Equilibrium: Types and Examples