JEE Main Chemistry question

In which pair is the first atom or ion not larger than the second?

(A)N, F
(B), Cl
(C)O, SCorrect
(D),

Answer: (C)

Solution

Checking each pair: N is larger than F (both period 2, radius decreases left to right), so (A) does not satisfy the condition. is larger than Cl (anions are always larger than their parent atom), so (B) does not satisfy it either. O is smaller than S (S lies below O in

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Question ID VK-133525