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Aqueous solution of Ni2+ contains [Ni(H2O)6]2+ and its magnetic moment is 2.83 B.M. When ammonia is added in it, comment on the magnetic moment of the solution, if coordination number remains same
  • a)
    it will remain same
  • b)
    it increases from 2.83 B.M.
  • c)
    it decreases from 2.83 B.M.
  • d)
    it cannot be predicted theoretically
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
Aqueous solution of Ni2+contains [Ni(H2O)6]2+ and its magnetic moment ...
Explanation:
When Ni2+ is present in an aqueous solution, it is present in the form of [Ni(H2O)6]2+. This complex has a magnetic moment of 2.83 B.M., indicating that it has unpaired electrons.

When ammonia is added to the solution, it forms the complex [Ni(NH3)6]2+. Since the coordination number remains the same (6), the magnetic moment of the solution will also remain the same, i.e. 2.83 B.M.

This is because the magnetic moment of a complex is dependent on the number of unpaired electrons in it. The coordination number only affects the geometry of the complex, not the number of unpaired electrons.

Hence, the correct option is A.
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Aqueous solution of Ni2+contains [Ni(H2O)6]2+ and its magnetic moment ...
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Aqueous solution of Ni2+contains [Ni(H2O)6]2+ and its magnetic moment is 2.83 B.M. When ammonia is added in it, comment on the magnetic moment of the solution, if coordination number remains samea)it will remain sameb)it increases from 2.83 B.M.c)it decreases from 2.83 B.M.d)it cannot be predicted theoreticallyCorrect answer is option 'A'. Can you explain this answer?
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Aqueous solution of Ni2+contains [Ni(H2O)6]2+ and its magnetic moment is 2.83 B.M. When ammonia is added in it, comment on the magnetic moment of the solution, if coordination number remains samea)it will remain sameb)it increases from 2.83 B.M.c)it decreases from 2.83 B.M.d)it cannot be predicted theoreticallyCorrect answer is option 'A'. 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 Aqueous solution of Ni2+contains [Ni(H2O)6]2+ and its magnetic moment is 2.83 B.M. When ammonia is added in it, comment on the magnetic moment of the solution, if coordination number remains samea)it will remain sameb)it increases from 2.83 B.M.c)it decreases from 2.83 B.M.d)it cannot be predicted theoreticallyCorrect answer is option 'A'. 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 Aqueous solution of Ni2+contains [Ni(H2O)6]2+ and its magnetic moment is 2.83 B.M. When ammonia is added in it, comment on the magnetic moment of the solution, if coordination number remains samea)it will remain sameb)it increases from 2.83 B.M.c)it decreases from 2.83 B.M.d)it cannot be predicted theoreticallyCorrect answer is option 'A'. Can you explain this answer?.
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