Lattice energy for formation of CaC 2 ( s ) is to be determined. Concept introduction: The pictorial representation of formation of ionic solids from its constituent elements is known as Born-Haber cycle. Following are the steps required to draw Born-Haber cycle of any ionic compound: Step 1: Solid metal is converted into gaseous isolated atoms. It takes place by 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 6.97SP

Interpretation Introduction

Interpretation:

Lattice energy for formation of CaC2(s) is to be determined.

Concept introduction:

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

Step 1: Solid metal is converted into gaseous isolated atoms. It takes place by 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 2

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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 6.97SP

Interpretation Introduction

Interpretation:

Lattice energy for formation of CaC2(s) is to be determined.

Concept introduction:

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

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

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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 6.97SP

Interpretation Introduction

Interpretation:

Lattice energy for formation of CaC2(s) is to be determined.

Concept introduction:

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

Step 1: Solid metal is converted into gaseous isolated atoms. It takes place by 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 6.97SP

Interpretation Introduction