Class 12 Exam > Class 12 Questions > Amongst [Co(ox)3]3- , [CoF6]3- and [Co(NH3)6]...
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Amongst [Co(ox)3]3- , [CoF6]3- and [Co(NH3)6]3+
- a)[Co(ox)3]3- and [CoF6]3- are paramagnetic and [Co(NH3)6]3+ is diamagnetic.
- b)[Co(ox)3]3- and [Co(NH3)6]3+ are paramagnetic and [CoF6]3- is diamagnetic.
- c)[Co(ox)3]3- and [Co(NH3)6]3+ are diamagnetic and [CoF6]3 is paramagnetic.
- d)[Co(NH3)6]3+ and [CoF6]3- are paramagnetic and [Co(ox)3]3+ is diamagnetic
Correct answer is option 'C'. Can you explain this answer?
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Amongst [Co(ox)3]3- , [CoF6]3- and [Co(NH3)6]3+a)[Co(ox)3]3- and [CoF6...
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Amongst [Co(ox)3]3- , [CoF6]3- and [Co(NH3)6]3+a)[Co(ox)3]3- and [CoF6...
Explanation:
Paramagnetic substances are those which have unpaired electrons and are attracted by an external magnetic field. Diamagnetic substances are those which have all paired electrons and are repelled by an external magnetic field.
[Co(ox)3]3-:
- The coordination number of cobalt is 6.
- Oxalate ion is a bidentate ligand.
- The oxidation state of cobalt is +3.
- The number of unpaired electrons in the complex is 4.
- Therefore, [Co(ox)3]3- is paramagnetic.
[CoF6]3-:
- The coordination number of cobalt is 6.
- Fluoride ion is a strong field ligand and causes pairing of electrons.
- The oxidation state of cobalt is +3.
- The number of unpaired electrons in the complex is 0.
- Therefore, [CoF6]3- is diamagnetic.
[Co(NH3)6]3:
- The coordination number of cobalt is 6.
- Ammonia is a weak field ligand and does not cause pairing of electrons.
- The oxidation state of cobalt is +3.
- The number of unpaired electrons in the complex is 0.
- Therefore, [Co(NH3)6]3 is diamagnetic.
Hence, option 'C' is the correct answer.
Paramagnetic substances are those which have unpaired electrons and are attracted by an external magnetic field. Diamagnetic substances are those which have all paired electrons and are repelled by an external magnetic field.
[Co(ox)3]3-:
- The coordination number of cobalt is 6.
- Oxalate ion is a bidentate ligand.
- The oxidation state of cobalt is +3.
- The number of unpaired electrons in the complex is 4.
- Therefore, [Co(ox)3]3- is paramagnetic.
[CoF6]3-:
- The coordination number of cobalt is 6.
- Fluoride ion is a strong field ligand and causes pairing of electrons.
- The oxidation state of cobalt is +3.
- The number of unpaired electrons in the complex is 0.
- Therefore, [CoF6]3- is diamagnetic.
[Co(NH3)6]3:
- The coordination number of cobalt is 6.
- Ammonia is a weak field ligand and does not cause pairing of electrons.
- The oxidation state of cobalt is +3.
- The number of unpaired electrons in the complex is 0.
- Therefore, [Co(NH3)6]3 is diamagnetic.
Hence, option 'C' is the correct answer.
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Amongst [Co(ox)3]3- , [CoF6]3- and [Co(NH3)6]3+a)[Co(ox)3]3- and [CoF6]3- are paramagnetic and [Co(NH3)6]3+ is diamagnetic.b)[Co(ox)3]3- and [Co(NH3)6]3+ are paramagnetic and [CoF6]3- is diamagnetic.c)[Co(ox)3]3- and [Co(NH3)6]3+ are diamagnetic and [CoF6]3 is paramagnetic.d)[Co(NH3)6]3+ and [CoF6]3- are paramagnetic and [Co(ox)3]3+ is diamagneticCorrect answer is option 'C'. Can you explain this answer?
Question Description
Amongst [Co(ox)3]3- , [CoF6]3- and [Co(NH3)6]3+a)[Co(ox)3]3- and [CoF6]3- are paramagnetic and [Co(NH3)6]3+ is diamagnetic.b)[Co(ox)3]3- and [Co(NH3)6]3+ are paramagnetic and [CoF6]3- is diamagnetic.c)[Co(ox)3]3- and [Co(NH3)6]3+ are diamagnetic and [CoF6]3 is paramagnetic.d)[Co(NH3)6]3+ and [CoF6]3- are paramagnetic and [Co(ox)3]3+ is diamagneticCorrect answer is option 'C'. Can you explain this answer? for Class 12 2024 is part of Class 12 preparation. The Question and answers have been prepared according to the Class 12 exam syllabus. Information about Amongst [Co(ox)3]3- , [CoF6]3- and [Co(NH3)6]3+a)[Co(ox)3]3- and [CoF6]3- are paramagnetic and [Co(NH3)6]3+ is diamagnetic.b)[Co(ox)3]3- and [Co(NH3)6]3+ are paramagnetic and [CoF6]3- is diamagnetic.c)[Co(ox)3]3- and [Co(NH3)6]3+ are diamagnetic and [CoF6]3 is paramagnetic.d)[Co(NH3)6]3+ and [CoF6]3- are paramagnetic and [Co(ox)3]3+ is diamagneticCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for Class 12 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Amongst [Co(ox)3]3- , [CoF6]3- and [Co(NH3)6]3+a)[Co(ox)3]3- and [CoF6]3- are paramagnetic and [Co(NH3)6]3+ is diamagnetic.b)[Co(ox)3]3- and [Co(NH3)6]3+ are paramagnetic and [CoF6]3- is diamagnetic.c)[Co(ox)3]3- and [Co(NH3)6]3+ are diamagnetic and [CoF6]3 is paramagnetic.d)[Co(NH3)6]3+ and [CoF6]3- are paramagnetic and [Co(ox)3]3+ is diamagneticCorrect answer is option 'C'. Can you explain this answer?.
Amongst [Co(ox)3]3- , [CoF6]3- and [Co(NH3)6]3+a)[Co(ox)3]3- and [CoF6]3- are paramagnetic and [Co(NH3)6]3+ is diamagnetic.b)[Co(ox)3]3- and [Co(NH3)6]3+ are paramagnetic and [CoF6]3- is diamagnetic.c)[Co(ox)3]3- and [Co(NH3)6]3+ are diamagnetic and [CoF6]3 is paramagnetic.d)[Co(NH3)6]3+ and [CoF6]3- are paramagnetic and [Co(ox)3]3+ is diamagneticCorrect answer is option 'C'. Can you explain this answer? for Class 12 2024 is part of Class 12 preparation. The Question and answers have been prepared according to the Class 12 exam syllabus. Information about Amongst [Co(ox)3]3- , [CoF6]3- and [Co(NH3)6]3+a)[Co(ox)3]3- and [CoF6]3- are paramagnetic and [Co(NH3)6]3+ is diamagnetic.b)[Co(ox)3]3- and [Co(NH3)6]3+ are paramagnetic and [CoF6]3- is diamagnetic.c)[Co(ox)3]3- and [Co(NH3)6]3+ are diamagnetic and [CoF6]3 is paramagnetic.d)[Co(NH3)6]3+ and [CoF6]3- are paramagnetic and [Co(ox)3]3+ is diamagneticCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for Class 12 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Amongst [Co(ox)3]3- , [CoF6]3- and [Co(NH3)6]3+a)[Co(ox)3]3- and [CoF6]3- are paramagnetic and [Co(NH3)6]3+ is diamagnetic.b)[Co(ox)3]3- and [Co(NH3)6]3+ are paramagnetic and [CoF6]3- is diamagnetic.c)[Co(ox)3]3- and [Co(NH3)6]3+ are diamagnetic and [CoF6]3 is paramagnetic.d)[Co(NH3)6]3+ and [CoF6]3- are paramagnetic and [Co(ox)3]3+ is diamagneticCorrect answer is option 'C'. Can you explain this answer?.
Solutions for Amongst [Co(ox)3]3- , [CoF6]3- and [Co(NH3)6]3+a)[Co(ox)3]3- and [CoF6]3- are paramagnetic and [Co(NH3)6]3+ is diamagnetic.b)[Co(ox)3]3- and [Co(NH3)6]3+ are paramagnetic and [CoF6]3- is diamagnetic.c)[Co(ox)3]3- and [Co(NH3)6]3+ are diamagnetic and [CoF6]3 is paramagnetic.d)[Co(NH3)6]3+ and [CoF6]3- are paramagnetic and [Co(ox)3]3+ is diamagneticCorrect answer is option 'C'. Can you explain this answer? in English & in Hindi are available as part of our courses for Class 12.
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