Q27.The correct order of the ionic radii of O2−, N3−, F−, Mg2+, Na+ and Al3+ is : (1) N3−< O2−< F−< Na+ < Mg2* < AI3+ (2) AI3+ < Na+ < Mg2+ < O2−< F−< N3− (3) Al3+ < Mg2+ < Na+ < F−< O2−< N3− (4) N3−< F−< O2−< Mg2+ < Na+ < AI3+
What This Question Tests
This question tests the ability to arrange isoelectronic species in order of their ionic radii based on nuclear charge.
Concepts Tested
📚 NCERT Sections This Tests
2.1 — Arrange The Following Metals In The Order In Which They Displace Each Other
Chemistry Class 11 · Chapter 2
2.1 Arrange the following metals in the order in which they displace each other from the solution of their salts. Al, Cu, Fe, Mg and Zn.
12.7 — The Radius Of The Innermost Electron Orbit Of A Hydrogen Atom Is
Physics Class 12 · Chapter 12
12.7 The radius of the innermost electron orbit of a hydrogen atom is 5.3×10–11 m. What are the radii of the n = 2 and n =3 orbits?
2.2 — Given The Standard Electrode Potentials,
Chemistry Class 11 · Chapter 2
2.2 Given the standard electrode potentials, K+/K = –2.93V, Ag+/Ag = 0.80V, Hg2+/Hg = 0.79V Mg2+/Mg = –2.37 V, Cr3+/Cr = – 0.74V Arrange these metals in their increasing order of reducing power.
📋 Question Details
- Chapter
- Periodic Table & Properties
- Topic
- Ionic Radii
- Year
- 2020
- Shift
- 05 Sep Shift 2
- Q Number
- Q27
- Type
- MCQ
- NCERT Ref
- Class 11 Chemistry Ch 3: Classification of Elements and Periodicity in Properties
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