Ques. arrange the following in decreasing order of covalent characters hgcl, baci, zncl, srcl, cdcl, cacl, s-block have less covalent characters than d-block so

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we can apply fajan’s rule.. Which states “cation with smaller size and greater charge and anion with larger size and less charge has more polarizing power” So a more covalent comp...

https://lavelle.chem.ucla.edu/forum/viewtopic.php?t=16329 for more detail go through this link ankit

we can apply fajan’s rule.. Which states “cation with smaller size and greater charge and anion with larger size and less charge has more polarizing power” So a more covalent comp...

Ba>Sr>Ca>Hg> Cd>Zn . This is the order for ionic character.

ZnCl2 and CdCl2 have more ionic character and HgCL2 pssess covalent character

MgCl2 < CaCl2 < SrCl2 < BaCl2. ZnCl2, CdCl2 are ionic but less than IIA, HgCl2 is covalent

use this concept and try

with increase in size,the covalent character increases as Zeff nuclear charges incresaes