Born-Haber cycles for formation of MgF and MgF 2 from its elements should be drawn. Concept introduction: The pictorial representation of the formation of ionic solids from its constituent elements is known as the Born-Haber cycle. Following are the steps required to draw the Born-Haber cycle of any ionic compound: Step 1: Solid metal is converted into gaseous isolated atoms. It takes place by a process called sublimation. Step 2: Gaseous molecules are broken down into separate atoms. Energy is supplied to break molecules apart and this is called bond dissociation energy . Step 3: Isolated metal atoms are converted into respective cations with the help of ionization energy. Step 4: Anions are formed from gaseous atoms with the help of electron affinity . Step 5: Ionic compound is formed by the combination of cation and anion. Energy is released in this process.

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Answer 1

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Formula Formula Bond dissociation energy (BDE) is the energy required to break a bond, making it an endothermic process. BDE is calculated for a particular bond and therefore consists of fragments such as radicals since it undergoes homolytic bond cleavage. For the homolysis of a X-Y molecule, the energy of bond dissociation is calculated as the difference in the total enthalpy of formation for the reactants and products. X-Y → X + Y BDE = Δ H f X + Δ H f Y – Δ H f X-Y where, ΔHf is the heat of formation.

Chapter 6, Problem 6.93SP

Interpretation Introduction

Interpretation:

Born-Haber cycles for formation of MgF and MgF2 from its elements should be drawn.

Concept introduction:

The pictorial representation of the formation of ionic solids from its constituent elements is known as the Born-Haber cycle. Following are the steps required to draw the Born-Haber cycle of any ionic compound:

Step 1: Solid metal is converted into gaseous isolated atoms. It takes place by a process called sublimation.

Step 2: Gaseous molecules are broken down into separate atoms. Energy is supplied to break molecules apart and this is called bond dissociation energy.

Step 3: Isolated metal atoms are converted into respective cations with the help of ionization energy.

Step 4: Anions are formed from gaseous atoms with the help of electron affinity.

Step 5: Ionic compound is formed by the combination of cation and anion. Energy is released in this process.

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Students have asked these similar questions

Which of the following compounds requires the most energy to convert one mole of the solid into separateions?(a) MgO(b) SrO(c) KF(d) CsF(e) MgF2

Explain why the bond dissociation energy for bond (a) is lower than the bond dissociation energy for bond (b).

How can I use the Born Haber cycle to establish the lattice energy of CsCl (s)from the following data: ΔHf° [CsCl(s)] = -442.8 kJ/mol; enthalpy of sublimation of Cesium is 78.2 kJ/mol; enthalpy of dissociation of Cl2 (g) = 243 kJ/mol Cl2 ; IE1 for Cs(g) = 375.7 kJ/mol; electron affinity enthalpy-EA1 for Cl(g) = -349kJ/mol.

Answer 2

Question

Formula Formula Bond dissociation energy (BDE) is the energy required to break a bond, making it an endothermic process. BDE is calculated for a particular bond and therefore consists of fragments such as radicals since it undergoes homolytic bond cleavage. For the homolysis of a X-Y molecule, the energy of bond dissociation is calculated as the difference in the total enthalpy of formation for the reactants and products. X-Y → X + Y BDE = Δ H f X + Δ H f Y – Δ H f X-Y where, ΔHf is the heat of formation.

Chapter 6, Problem 6.93SP

Interpretation Introduction

Interpretation:

Born-Haber cycles for formation of MgF and MgF2 from its elements should be drawn.

Concept introduction:

The pictorial representation of the formation of ionic solids from its constituent elements is known as the Born-Haber cycle. Following are the steps required to draw the Born-Haber cycle of any ionic compound:

Step 1: Solid metal is converted into gaseous isolated atoms. It takes place by a process called sublimation.

Step 2: Gaseous molecules are broken down into separate atoms. Energy is supplied to break molecules apart and this is called bond dissociation energy.

Step 3: Isolated metal atoms are converted into respective cations with the help of ionization energy.

Step 4: Anions are formed from gaseous atoms with the help of electron affinity.

Step 5: Ionic compound is formed by the combination of cation and anion. Energy is released in this process.

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Check out a sample textbook solution

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Answer 3

Question

Formula Formula Bond dissociation energy (BDE) is the energy required to break a bond, making it an endothermic process. BDE is calculated for a particular bond and therefore consists of fragments such as radicals since it undergoes homolytic bond cleavage. For the homolysis of a X-Y molecule, the energy of bond dissociation is calculated as the difference in the total enthalpy of formation for the reactants and products. X-Y → X + Y BDE = Δ H f X + Δ H f Y – Δ H f X-Y where, ΔHf is the heat of formation.

Chapter 6, Problem 6.93SP

Interpretation Introduction

Interpretation:

Born-Haber cycles for formation of MgF and MgF2 from its elements should be drawn.

Concept introduction:

The pictorial representation of the formation of ionic solids from its constituent elements is known as the Born-Haber cycle. Following are the steps required to draw the Born-Haber cycle of any ionic compound:

Step 1: Solid metal is converted into gaseous isolated atoms. It takes place by a process called sublimation.

Step 2: Gaseous molecules are broken down into separate atoms. Energy is supplied to break molecules apart and this is called bond dissociation energy.

Step 3: Isolated metal atoms are converted into respective cations with the help of ionization energy.

Step 4: Anions are formed from gaseous atoms with the help of electron affinity.

Step 5: Ionic compound is formed by the combination of cation and anion. Energy is released in this process.

Expert Solution & Answer

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Check out a sample textbook solution

See solution

Answer 4

Question

Formula Formula Bond dissociation energy (BDE) is the energy required to break a bond, making it an endothermic process. BDE is calculated for a particular bond and therefore consists of fragments such as radicals since it undergoes homolytic bond cleavage. For the homolysis of a X-Y molecule, the energy of bond dissociation is calculated as the difference in the total enthalpy of formation for the reactants and products. X-Y → X + Y BDE = Δ H f X + Δ H f Y – Δ H f X-Y where, ΔHf is the heat of formation.

Chapter 6, Problem 6.93SP

Interpretation Introduction