Ionic Product of Water

IMPORTANT

Ionic Product of Water: Overview

This Topic covers sub-topics such as Ionic Product of Water, Dielectric Constant of Water, Amphoteric Nature of Water, Expression for Ionic Product of Water (Kw) and, Effect of Temperature on Ionic Product of Water (Kw)

Important Questions on Ionic Product of Water

HARD
IMPORTANT

The pH value of pure water below 25 degree Celsius is greater than 7. Does that mean water is basic in nature? Justify your answer.

HARD
IMPORTANT

9.8% W/V 300 mL solution H3PO4 reacts with 20 % W/V 200 mL solution of NaOH. Find the nature of solution, and, concentration of H+ and OH- ions.

MEDIUM
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An aqueous solution contains 10-4M H+ ions. If it is diluted by mixing equal volume of water then the concentration of OH- in mol dm-3 will be

EASY
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The pH of pure water at 80°C is

MEDIUM
IMPORTANT

Calculate the percent error in the hydrogen-ion concentration made by neglecting the ionization of water in a 1×10-6 M NaOH solution.

MEDIUM
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The ionic product of water changes when:

MEDIUM
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What is the Ionic Product of Water?

EASY
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The concentration of OH- ions in neutral solution is:

MEDIUM
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The ionic product of water ____ if a few drops of acid or base are added to it.

MEDIUM
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What happens to the ionic product of water (KW) if some acid is added to it? 

EASY
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The dielectric constant of water is 

EASY
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The value of dielectric constant of water is 

EASY
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How is the high dielectric constant responsible for dissolving many salts in water?

MEDIUM
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Calculate permittivity given that the value of the dielectric constant of water as 80.

EASY
IMPORTANT

What is dielectric constant of water?

MEDIUM
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What happens to the ionic product of water when we add acid to it?

MEDIUM
IMPORTANT

Explain the effect of addition of an acid on ionic product of water.

EASY
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What happened on the dielectric constant of water when temperature increases?

EASY
IMPORTANT

Explain the dielectric constant of water.

EASY
IMPORTANT

The conjugate base of water is