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D and F Block Elements question

2013 · Shift 0 · Q13
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D and F Block Elements question

2013 · Shift 0 · Q13

JEE MainChemistryD and F Block ElementsMCQ+4 / −1
Which of the following arrangements does not represent the correct order of the property stated against it?
  1. A
    Ni2+Ni^{2+}Ni2+ < Co2+Co^{2+}Co2+ < Fe2+Fe^{2+}Fe2+ < Mn2+Mn^{2+}Mn2+ : ionic size
  2. B
    Co3+Co^{3+}Co3+ < Fe3+Fe^{3+}Fe3+ < Cr3+Cr^{3+}Cr3+ < Sc3+Sc^{3+}Sc3+ : stability in aqueous solution
  3. C
    Sc < Ti < Cr < Mn : number of oxidation states
  4. D
    V2+V^{2+}V2+ < Cr2+Cr^{2+}Cr2+ < Mn2+Mn^{2+}Mn2+ < Fe2+Fe^{2+}Fe2+ : paramagnetic behaviour
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