JEE Main Chemistry question

Identify the correct order in which the covalent radius of the following elements increases (I) Ti (II) Ca (III) Sc [EAMCET 2005]

(A)(I), (II), (III)
(B)(III), (II), (I)
(C)(II), (I), (III)
(D)(I), (III), (II)Correct

Answer: (D)

Solution

Ca (), Sc () and Ti () show the typical -series contraction: poorly-shielding -electrons let effective nuclear charge rise across Sc to Ti, shrinking the radius, while Ca (no

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Question ID VK-133209