Which of the following does not represent the correct order of the properties

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Which of the following does not represent the correct order of the properties indicated

Options

(a) Ni²⁺> Cr²⁺> Fe²⁺> Mn²⁺(size)
(b) Sc > Ti > Cr > Mn (size)
(c) Mn²⁺ > Ni²⁺ < CO²⁺ (d) Fe²⁺> CO²⁺> Ni²⁺> Cuv(unpaired electron)

Correct Answer:

Ni²⁺> Cr²⁺> Fe²⁺> Mn²⁺(size)

Explanation:

In a period on moving left to right ionic radii decreases

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Question Type: Memory (964)
Difficulty Level: Easy (1008)
Topics: Classification of Elements and Periodicity (94)
Subject: Chemistry (2512)

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