. The correct order of increasing covalent character is

a. LiCl, NaCl, BeCl₂

b. BeCl₂, NaCl, LiCl

c. NaCl, LiCl, BeCl₂

d. BeCl₂, LiCl, NaCl

Best Answer

Answer ||| (c)

Solution ||| According to Fajan’s rule

Covalent character µ charge of cation

Na and Li have + 1 charge while Be has +2 charge. Moreover, the order of size is

Be < Li < Na

Thus, the order of covalent character is

BeCl₂> LiCl < Na

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