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NEET2012Chemistryd and f Block ElementsActual

Which one of the following does not correctly represent the correct order of the property indicated against it?

Options

  1. ATi < V < Cr < Mn : increasing number of oxidation states
  2. BTi ³⁺ < V ³⁺ < Cr ³⁺ < Mn ³⁺ : increasing magnetic moment
  3. CTi < V < Cr < Mn : increasing melting points
  4. DTi < V < Mn < Cr : increasing second ionisation enthalpy

Correct answer

C. Ti < V < Cr < Mn : increasing melting points

Step-by-step solution

Order of oxidation states is Ti Order of magnetic moment is Ti ³⁺ Order of second ionisation enthalpy is Ti < V < Mn < Cr

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