BITSAT Chemistry The D And F Block Element Online Test Set A

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Question 1

Question

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

	Answer
	Co³⁺ < Fe³⁺ < Cr³⁺ < Sc³⁺ : stability in aqueous solution
	V²⁺ < Cr²⁺ < Mn²⁺ < Fe²⁺ :paramagnetic behaviour
	i²⁺ < Co²⁺ < Fe²⁺ < Mn²⁺ : ionic size
	Sc < Ti < Cr < Mn : number of oxidation states