What is Interionic attraction theory?
Interionic Attractions are when an ion is surrounded by an ionic atmosphere which has a net charge opposite for its own. For example an anion would be completely surrounded by ions mostly composed of cations and a cation would mostly be surrounded by ions of anions.
What are Interionic forces?
Definition of interionic : located or acting between ions the observed interionic distances the effective interionic force.
What is inter ionic repulsion?
According to the classical concept of an elastic ion, the repulsive potential energy between the ions i and j is specified by the nature of each ion as: (ρ i + ρ j ) exp[ (ρ i + ρ j − r) (ρ i + ρ j ) ] as a function of the interionic distance r.
What is meant by ionic atmosphere?
Ionic Atmosphere is a concept employed in Debye-Hückel theory which explains the electrolytic conductivity behaviour of solutions. It can be generally defined as the area at which a charged entity is capable of attracting an entity of the opposite charge.
What is kohlrausch’s law?
Definition of Kohlrausch’s law : a statement in physical chemistry: the migration of an ion at infinite dilution is dependent on the nature of the solvent and on the potential gradient but not on the other ions present.
What is ionic strength in chemistry?
The ionic strength of a solution is a measure of the concentration of ions in that solution. Ionic compounds, when dissolved in water, dissociate into ions. The total electrolyte concentration in solution will affect important properties such as the dissociation constant or the solubility of different salts.
What is Interionic separation?
Interionic distance is the distance between the cation and anion in a crystal structure. This gives the stability or strength to the bond between the ions in the crystal.
Which force opposes the Inter ionic forces of attraction between the oppositely charged ions during the formation of an ionic crystal?
repulsive force
The force that opposes the inter ionic forces of attraction is repulsive force. As the inter atomic distance decreases slowly due attraction during the formation of an ionic crystal.
What force holds together oppositely charged ions?
electrostatic force
Formation of an Ionic Bond The electrostatic force that holds oppositely charged particles together in an ionic compound is called an ionic bond.
What are the two factors on which formation of ionic atmosphere depends?
Ionic bond formation mainly depends upon three factors –i Low ionization energy – elements with low ionization enthalpy have greater tendency to form an ionic bonds. ii High electron gain enthalpy – high negative value of electron gain enthalpy favours ionic bond.
Why is it called electrophoretic effect?
It may well be imagined that the central ion is moving against the flow of the ionic atmosphere with reduced speed. This effect is called the electrophoretic effect.
What is kohlrausch’s law explain two applications?
Kohlrausch Law relates to the limiting molar conductivity of an electrolyte to its constituent ions. It basically states that the limiting molar conductivity of an electrolyte is equal to the sum of individual limiting molar conductivities of the cations and anions which make up the electrolyte.