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By how much percentage does the energy of eg orbitals increase by from the average field splitting energy in octahedral complexes?
- a)40%
- b)45%
- c)50%
- d)60%
Correct answer is option 'D'. Can you explain this answer?
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By how much percentage does the energy of eg orbitals increase by from...
Calculation of Energy Increase in eg Orbitals
- In an octahedral complex, the d-orbitals split into two sets of different energies due to the presence of ligand field.
- The energy difference between the two sets is called the average field splitting energy (Δ) and is given by the formula Δ = (P - Dq), where P is the energy of the set with higher energy and Dq is the crystal field splitting parameter.
- The eg orbitals are the set of d-orbitals that point along the axes of the octahedron and experience greater repulsion from the ligands than the t2g orbitals.
- Due to this repulsion, the eg orbitals are pushed to higher energy levels than the t2g orbitals.
- The energy increase in the eg orbitals from the average field splitting energy can be calculated using the formula Δeg = 2/5 Δ, where Δeg is the energy increase in the eg orbitals.
- Substituting the value of Δ in the formula, we get Δeg = 2/5 (P - Dq).
Calculation of Percentage Increase
- To calculate the percentage increase in energy of eg orbitals from the average field splitting energy, we need to use the formula:
Percentage increase = (Δeg/Δ) x 100
- Substituting the value of Δeg and Δ in the formula, we get:
Percentage increase = (2/5 (P - Dq)/ (P - Dq)) x 100
Percentage increase = 2/5 x 100
Percentage increase = 40%
- Therefore, the energy of eg orbitals increases by 40% from the average field splitting energy in octahedral complexes.
- In an octahedral complex, the d-orbitals split into two sets of different energies due to the presence of ligand field.
- The energy difference between the two sets is called the average field splitting energy (Δ) and is given by the formula Δ = (P - Dq), where P is the energy of the set with higher energy and Dq is the crystal field splitting parameter.
- The eg orbitals are the set of d-orbitals that point along the axes of the octahedron and experience greater repulsion from the ligands than the t2g orbitals.
- Due to this repulsion, the eg orbitals are pushed to higher energy levels than the t2g orbitals.
- The energy increase in the eg orbitals from the average field splitting energy can be calculated using the formula Δeg = 2/5 Δ, where Δeg is the energy increase in the eg orbitals.
- Substituting the value of Δ in the formula, we get Δeg = 2/5 (P - Dq).
Calculation of Percentage Increase
- To calculate the percentage increase in energy of eg orbitals from the average field splitting energy, we need to use the formula:
Percentage increase = (Δeg/Δ) x 100
- Substituting the value of Δeg and Δ in the formula, we get:
Percentage increase = (2/5 (P - Dq)/ (P - Dq)) x 100
Percentage increase = 2/5 x 100
Percentage increase = 40%
- Therefore, the energy of eg orbitals increases by 40% from the average field splitting energy in octahedral complexes.
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Community Answer
By how much percentage does the energy of eg orbitals increase by from...
The energy of the two eg orbitals will increase by (3/5)Δo, that is 60% of the average energy that separates the field in octahedral complexes.
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By how much percentage does the energy of eg orbitals increase by from the average field splitting energy in octahedral complexes?a)40%b)45%c)50%d)60%Correct answer is option 'D'. Can you explain this answer?
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