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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: - Among the given compounds, one which can be distinguished by AgNO₃ is
- In a homonuclear molecule, which of the following sets of orbitals is degenerate?
- The pH of 0.001 N acetic acid solution, which is 10% dissociated, is
- Allyl isocyanide has
- The sum of coordination number and oxidation number of the metal M in the complex
Question Type: Memory
(964)
Difficulty Level: Easy
(1008)
Topics: Classification of Elements and Periodicity
(94)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Among the given compounds, one which can be distinguished by AgNO₃ is
- In a homonuclear molecule, which of the following sets of orbitals is degenerate?
- The pH of 0.001 N acetic acid solution, which is 10% dissociated, is
- Allyl isocyanide has
- The sum of coordination number and oxidation number of the metal M in the complex
Question Type: Memory (964)
Difficulty Level: Easy (1008)
Topics: Classification of Elements and Periodicity (94)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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