JEE Main Chemistry question

Chemistry Classification of Elements and Periodicity in Properties JEE Main

Ionic radii are [UP SEE 2007]

(A)Inversely proportional to effective nuclear chargeCorrect
(B)Inversely proportional to square of effective nuclear charge
(C)Directly proportional to effective nuclear charge
(D)Directly proportional to square of effective nuclear charge

Answer: (A)

Solution

A larger effective nuclear charge () pulls the electron cloud in more tightly, shrinking the ion, so ionic radius varies as \propto$

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Question ID VK-133152