The number of following factors which affect the percent covalent character of the ionic bond is

A) Polarising power of cation
B) Extent of distortion of anion
C) Polarisability of the anion
D) Pola

Question

The number of following factors which affect the percent covalent character of the ionic bond is

A) Polarising power of cation
B) Extent of distortion of anion
C) Polarisability of the anion
D) Polarising power of anion

Canvas Classes · Accepted Answer

Fajans' Rules — factors that increase covalent character of ionic bonds:

A) Polarising power of cation: Higher charge/smaller size of cation → more polarisation → more covalent character → affects ✓

B) Extent of distortion of anion: Greater distortion of anion electron cloud → more covalent character → affects ✓

C) Polarisability of the anion: Larger/more polarisable anion → more easily distorted → more covalent character → affects ✓

D) Polarising power of anion: The anion's polarising power

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