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Which of the following arrangements does not represent the correct order of the property stated against it?
  • a)
    Ni2+ < Co2+ < Fe2+ < Mn2+ : ionic size
  • b)
    Co3+ < Fe3+ < Cr3+ < Sc3+ : stability in aqueous solution
  • c)
    Sc < Ti < Cr < Mn : number of oxidation states
  • d)
    V2+ < Cr2+ < Mn2+ < Fe2+ : paramagnetic behaviour
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
Which of the following arrangements does not represent the correct ord...
The exothermic hydration enthalpies of the given trivalent cations are:
Sc+3 = 3960 kJ/mole
Fe+3 = 4429 kJ/mole
Co+3 = 4653 kJ/mole
Cr+3 = 4563 kJ/mole
Hence Sc+3 is least hydrated; so least stable (not most stable)
Fe+2 contains 4 unpaired electrons where as Mn+2 contains 5 unpaired electrons hence (4) is incorrect.
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Which of the following arrangements does not represent the correct ord...
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Which of the following arrangements does not represent the correct order of the property stated against it?a)Ni2+ < Co2+ < Fe2+ < Mn2+ : ionic sizeb)Co3+ < Fe3+ < Cr3+ < Sc3+ : stability in aqueous solutionc)Sc < Ti < Cr < Mn : number of oxidation statesd)V2+ < Cr2+ < Mn2+ < Fe2+ : paramagnetic behaviourCorrect answer is option 'D'. Can you explain this answer?
Question Description
Which of the following arrangements does not represent the correct order of the property stated against it?a)Ni2+ < Co2+ < Fe2+ < Mn2+ : ionic sizeb)Co3+ < Fe3+ < Cr3+ < Sc3+ : stability in aqueous solutionc)Sc < Ti < Cr < Mn : number of oxidation statesd)V2+ < Cr2+ < Mn2+ < Fe2+ : paramagnetic behaviourCorrect answer is option 'D'. Can you explain this answer? for JEE 2024 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about Which of the following arrangements does not represent the correct order of the property stated against it?a)Ni2+ < Co2+ < Fe2+ < Mn2+ : ionic sizeb)Co3+ < Fe3+ < Cr3+ < Sc3+ : stability in aqueous solutionc)Sc < Ti < Cr < Mn : number of oxidation statesd)V2+ < Cr2+ < Mn2+ < Fe2+ : paramagnetic behaviourCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for JEE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of the following arrangements does not represent the correct order of the property stated against it?a)Ni2+ < Co2+ < Fe2+ < Mn2+ : ionic sizeb)Co3+ < Fe3+ < Cr3+ < Sc3+ : stability in aqueous solutionc)Sc < Ti < Cr < Mn : number of oxidation statesd)V2+ < Cr2+ < Mn2+ < Fe2+ : paramagnetic behaviourCorrect answer is option 'D'. Can you explain this answer?.
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