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The value of the spin only magnetic moment for one of the following configuration is 2.84 BM. The correct one is a)d⅝5 (in strong ligand field) b)d³ (in weak as well as in strong fields) c)d⁴ (in weak ligand fields) d)d⁴(in strong ligand fields)?
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The value of the spin only magnetic moment for one of the following co...
Answer:
Introduction:
Spin-only magnetic moment is the magnetic moment of a coordination compound that arises due to the net spin of the unpaired electrons present in the d-orbitals of the central metal ion.
Explanation:
The spin-only magnetic moment of a coordination compound can be calculated using the following formula:
µS = √n(n+2)BM
where, n is the number of unpaired electrons and BM is the Bohr magneton.
(a) d⅝5 (in strong ligand field):
The number of unpaired electrons in d⅝5 is 5. In strong ligand field, the pairing of electrons takes place and hence, the number of unpaired electrons decreases. Therefore, the spin-only magnetic moment of d⅝5 in strong ligand field will be less than 2.84 BM. Hence, option (a) is not correct.
(b) d³ (in weak as well as in strong fields):
The number of unpaired electrons in d³ is 3. The spin-only magnetic moment of d³ in weak field is given by:
µS = √3(3+2)BM = 3.87 BM
In strong field, the pairing of electrons takes place and hence, the number of unpaired electrons decreases. Therefore, the spin-only magnetic moment of d³ in strong ligand field will be less than 3.87 BM. Hence, option (b) is not correct.
(c) d⁴ (in weak ligand fields):
The number of unpaired electrons in d⁴ is 2. The spin-only magnetic moment of d⁴ in weak field is given by:
µS = √2(2+2)BM = 2.83 BM
This value is close to 2.84 BM. Therefore, option (c) can be considered as correct.
(d) d⁴ (in strong ligand fields):
In strong ligand field, the pairing of electrons takes place and hence, the number of unpaired electrons decreases. Therefore, the spin-only magnetic moment of d⁴ in strong ligand field will be less than 2.83 BM. Hence, option (d) is not correct.
Conclusion:
Hence, the correct option is (c) d⁴ (in weak ligand fields).
Introduction:
Spin-only magnetic moment is the magnetic moment of a coordination compound that arises due to the net spin of the unpaired electrons present in the d-orbitals of the central metal ion.
Explanation:
The spin-only magnetic moment of a coordination compound can be calculated using the following formula:
µS = √n(n+2)BM
where, n is the number of unpaired electrons and BM is the Bohr magneton.
(a) d⅝5 (in strong ligand field):
The number of unpaired electrons in d⅝5 is 5. In strong ligand field, the pairing of electrons takes place and hence, the number of unpaired electrons decreases. Therefore, the spin-only magnetic moment of d⅝5 in strong ligand field will be less than 2.84 BM. Hence, option (a) is not correct.
(b) d³ (in weak as well as in strong fields):
The number of unpaired electrons in d³ is 3. The spin-only magnetic moment of d³ in weak field is given by:
µS = √3(3+2)BM = 3.87 BM
In strong field, the pairing of electrons takes place and hence, the number of unpaired electrons decreases. Therefore, the spin-only magnetic moment of d³ in strong ligand field will be less than 3.87 BM. Hence, option (b) is not correct.
(c) d⁴ (in weak ligand fields):
The number of unpaired electrons in d⁴ is 2. The spin-only magnetic moment of d⁴ in weak field is given by:
µS = √2(2+2)BM = 2.83 BM
This value is close to 2.84 BM. Therefore, option (c) can be considered as correct.
(d) d⁴ (in strong ligand fields):
In strong ligand field, the pairing of electrons takes place and hence, the number of unpaired electrons decreases. Therefore, the spin-only magnetic moment of d⁴ in strong ligand field will be less than 2.83 BM. Hence, option (d) is not correct.
Conclusion:
Hence, the correct option is (c) d⁴ (in weak ligand fields).
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The value of the spin only magnetic moment for one of the following configuration is 2.84 BM. The correct one is a)d⅝5 (in strong ligand field) b)d³ (in weak as well as in strong fields) c)d⁴ (in weak ligand fields) d)d⁴(in strong ligand fields)?
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The value of the spin only magnetic moment for one of the following configuration is 2.84 BM. The correct one is a)d⅝5 (in strong ligand field) b)d³ (in weak as well as in strong fields) c)d⁴ (in weak ligand fields) d)d⁴(in strong ligand fields)? for NEET 2025 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about The value of the spin only magnetic moment for one of the following configuration is 2.84 BM. The correct one is a)d⅝5 (in strong ligand field) b)d³ (in weak as well as in strong fields) c)d⁴ (in weak ligand fields) d)d⁴(in strong ligand fields)? covers all topics & solutions for NEET 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The value of the spin only magnetic moment for one of the following configuration is 2.84 BM. The correct one is a)d⅝5 (in strong ligand field) b)d³ (in weak as well as in strong fields) c)d⁴ (in weak ligand fields) d)d⁴(in strong ligand fields)?.
The value of the spin only magnetic moment for one of the following configuration is 2.84 BM. The correct one is a)d⅝5 (in strong ligand field) b)d³ (in weak as well as in strong fields) c)d⁴ (in weak ligand fields) d)d⁴(in strong ligand fields)? for NEET 2025 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about The value of the spin only magnetic moment for one of the following configuration is 2.84 BM. The correct one is a)d⅝5 (in strong ligand field) b)d³ (in weak as well as in strong fields) c)d⁴ (in weak ligand fields) d)d⁴(in strong ligand fields)? covers all topics & solutions for NEET 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The value of the spin only magnetic moment for one of the following configuration is 2.84 BM. The correct one is a)d⅝5 (in strong ligand field) b)d³ (in weak as well as in strong fields) c)d⁴ (in weak ligand fields) d)d⁴(in strong ligand fields)?.
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