Which one of the following ions will be the smallest in size?

Which One Of The Following Ions Will Be The Smallest Chemistry Question

Which one of the following ions will be the smallest in size?

Options

(a) Na⁺
(b) Mg²⁺
(c) F⁻
(d) O₂⁻

Correct Answer:

Mg²⁺

Explanation:

Greater is the positive charge on atom, large is effective nuclear charge. Hence smaller is the size

Related Questions:

  1. Which of the following is the lightest metal
  2. The most suitable method of the separation of a 1:1 mixture of ortho-and para
  3. The correct order of increasing bond length of C–H, C–O, C–C and C=C is
  4. In Cu-ammonia complex, the state of hybridization of Cu²⁺ is
  5. Which is insoluble in water

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

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