> > Mathematics MCQs > Ionic Equilibria Test MCQs

Ionic Equilibria Test MCQ

NH3 and H20 can act as:

Lewis base and Bronsted acid

Lewis acid and Bronsted base

Lewis and Bronsted base

Lewis and Bronsted acid

Answer

Correct Answer: Lewis and Bronsted base

Note: This Question is unanswered, help us to find answer for this one

An acid is one that donates a proton. This theory was given by:

Lewis

Arrhenius

Lowery – Bronsted

Ostwald

Answer

Correct Answer: Lowery – Bronsted

Note: This Question is unanswered, help us to find answer for this one

If ionic product < solubility product then the solution is:

Just saturated

Unsaturated

None

Super saturated

Answer

Correct Answer: Unsaturated

Note: This Question is unanswered, help us to find answer for this one

When 40ml of N / 40 KOH are added to 30ml of N / 30 then the resulting solution will be:

Basic

Neutral

None

Acidic

Answer

Correct Answer: Neutral

Note: This Question is unanswered, help us to find answer for this one

In the following reaction, which two pairs are Bronsted bases HC2O4- + PO43- ? HPO42- + C2O42-.

PO43- and C2O42-

HC2O42- and HPO42-.

HC2O42- and PO43-

HPO42- and C2O42-

Answer

Correct Answer: PO43- and C2O42-

Note: This Question is unanswered, help us to find answer for this one

Which among the following contains same (H+) ions?

None

Equinormal solution

Equimolar solutions And Equinormal solution

Equimolar solutions

Answer

Correct Answer: Equinormal solution

Note: This Question is unanswered, help us to find answer for this one

Arrange the following in increasing order of acidic strength?

HF < HBr < HCl < HI

HCl < HBr < HI < HF

HI < HCl < HBr < HF

HF < HCl < HI < HBr

Answer

Correct Answer: HF < HBr < HCl < HI

Note: This Question is unanswered, help us to find answer for this one

Among the following which property is shown by a strong electrolyte?

Shows low conductivity

High value of equilibrium constant

Low degree of ionization

Obeys Ostwald’s dilution law

Answer

Correct Answer: High value of equilibrium constant

Note: This Question is unanswered, help us to find answer for this one

Which is not an example of sparingly soluble salt?

None

AgCl

CHCOOAg

BaSO

Answer

Correct Answer: None

Note: This Question is unanswered, help us to find answer for this one

Which among the following is not a property of buffer solution?

PH remains constant on addition of small amount of acid or base

PH remains constant on keeping for a long time

It has a definite PH

It does not has a definite PH

Answer

Correct Answer: It does not has a definite PH

Note: This Question is unanswered, help us to find answer for this one

What will be the pH of a buffer solution formed by dissolving equal number of moles of HOCl (ka = 4.3 x 10-8) and NaOH?

7.3

4.5

3.2

7.0

Answer

Correct Answer: 7.3

Note: This Question is unanswered, help us to find answer for this one

Lewis acid is one that:

Accepts a proton

Donates a proton

Accepts an electron pair

Donates an electron pair

Answer

Correct Answer: Accepts an electron pair

Note: This Question is unanswered, help us to find answer for this one

Why is pure water a very weak electrolyte?

It ionizes to very small extent

It ionizes completely

It does not ionizes at all

It ionizes to a large extent

Answer

Correct Answer: It ionizes to very small extent

Note: This Question is unanswered, help us to find answer for this one

Basicity of an acid is defined as number of replicable:

OH groups in its molecule

Non-metal anions in its molecule

H atom in its molecule

Non-metal cations in its molecule

Answer

Correct Answer: H atom in its molecule

Note: This Question is unanswered, help us to find answer for this one

Water molecule is a highly polar solvent due to:

None

Presence of two lone pair of electrons

Presence of three lone pair of electrons

Absence of lone pair of electrons

Answer

Correct Answer: Presence of two lone pair of electrons

Note: This Question is unanswered, help us to find answer for this one