The charge/size ratio of a cation determines its polarizing power. Which one of the following sequences represents the increasing order of the polarizing power of the cationic species, K⁺, Ca²⁺, Mg²⁺, Be²⁺?

Free previous-year papers & practice for JEE, NEET and CBSE Boards.

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Trends in Ionic Radius Across Periodic Table, Ionic or Electrovalent Bond | PadhAiPro

Question

MCQ (Single)Trends in Ionic Radius Across Periodic TableIonic or Electrovalent Bond

Write the favourable factors for the formation of ionic bond.

Use Lewis symbols to show electron transfer between the following atoms to form cations and anions : (a) K and S (b) Ca and O (c) Al and N.

Arrange the bonds in order of increasing ionic character in the molecules: LiF, K2O, N2, SO2 and ClF3.

Which of the following species will have the largest and the smallest size? Mg, Mg2+, Al, Al3+.

What do you understand by isoelectronic species? Name a species that will be isoelectronic with each of the following atoms or ions.

Consider the following species : N3–, O2–, F–, Na+, Mg2+ and Al3+