| ⇦ | 
| ⇨ |
Which of the following orders of ionic radii is correctly represented
Options
(a) H⁻ > H⁺ > H
(b) Na⁺ > F⁻ > O²⁻
(c) F⁻ > O²⁻ > Na⁺
(d) Al³⁺ > Mg²⁺ > N³⁻
Correct Answer:
none
Explanation:
Cations lose electrons and are smaller in size than the parent atom whereas anions add electrons and are larger in size than the parent atom. Hence the order is H⁻ >H>H⁺.
For isoelectronic species the ionic radii decreases with increase in atomic number i.e nuclear charge.
Hence the correct orders are O²⁻>F⁻>Na⁺ and N³⁻>Mg²⁺>Al³⁺
Related Questions: - Reaction of HBr with propene in the presence of peroxide gives
- The IUPAC name for Co(NH₃)₆Cl₃ is
- When primary alcohol is oxidised with chlorine, it gives
- Among the following sets of reactants which one produces anisole
- The oxidation states of S atoms in S₄O₆²⁻ from left to right respectively
Topics: Classification of Elements and Periodicity
(94)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Reaction of HBr with propene in the presence of peroxide gives
- The IUPAC name for Co(NH₃)₆Cl₃ is
- When primary alcohol is oxidised with chlorine, it gives
- Among the following sets of reactants which one produces anisole
- The oxidation states of S atoms in S₄O₆²⁻ from left to right respectively
Topics: Classification of Elements and Periodicity (94)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
18000+ students are using NEETLab to improve their score. What about you?
Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.
Share this page with your friends
Leave a Reply