Question:

Which of the following arrangements does not represent the correct order of the property stated against it?

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Higher nuclear charge pulls electrons closer, reducing ionic size.
Updated On: Mar 20, 2026
  • V²+ < Cr²+ < Mn²+ < Fe²+ : paramagnetic behaviour
  • Ni²+ < Co²+ < Fe²+ < Mn²+ : ionic size
  • Co³+ < Fe³+ < Cr³+ < Sc³+ : stability in aqueous solution
  • Sc < Ti < Cr < Mn : number of oxidation states
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The Correct Option is B

Solution and Explanation


Step 1:
Ionic size decreases with increasing nuclear charge.
Step 2:
Order in option (B) is incorrect.
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