Q33.For Na+, Mg2+, F− and O2− ; the correct order of increasing Ionic radii is : (1) O2−< F−< Na+ < Mg2+ (2) Na+ < Mg2+ < F−< O2− (3) Mg2+ < Na+ < F−< O2− (4) Mg2+ < O2−< Na+ < F−
What This Question Tests
This question tests the understanding of trends in ionic radii for isoelectronic species, specifically how ionic size relates to 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.
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.
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?
📋 Question Details
- Chapter
- Periodic Table & Properties
- Topic
- Ionic Radii
- Year
- 2018
- Shift
- 15 Apr Shift 1 Online
- Q Number
- Q33
- Type
- MCQ
- NCERT Ref
- Class 11 Chemistry Ch 3: Classification of Elements and Periodicity in Properties
More from this Chapter
Q87.Which one of the following substances has the highest proton affinity? (1) H2 S (2) NH3 (3) PH3 (4) H2O
Q68.Which of the following atoms has the lowest ionization potential? (1) 147 N (2) 13355 Cs (3) 4018Ar (4) 168 O
Q82.Which one the following sets of ions represents the collection of isoelectronic species? (1) K+, Ca2+, Sc3+, Cl− (2) Na+, Mg2+, Al3+, Cl− (3) K+, Cl−, Mg2+, Sc3+ (4) Na+, Ca2+, Sc3+, F−
Q83.Which one the following ions has the highest value of ionic radius? (1) Li+ (2) F− (3) O2− (4) B3+