Which of the following is the smallest in size?

Which Of The Following Is The Smallest In Size Chemistry Question

Which of the following is the smallest in size?

Options

(a) Na⁺
(b) F⁻
(c) O²⁻
(d) N³⁻

Correct Answer:

Na⁺

Explanation:

Na⁺ < F⁻ < O²⁻ < N³⁻. All are isoelectronic, effective nuclear charge is highest for Na⁺, so it has smallest size.

Related Questions:

  1. Which one of the following is an example of heterogenous catalysis
  2. In which of the following resonance will be possible
  3. Which is weakest acid
  4. The compound which on reaction with aqueous nitrous acid at low temperature
  5. If n = 6, the correct sequence for filling of electrons will be:

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

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