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Explain with reasoning which of the following pars will show the greater covalent nature NaCl and NaI NaCl and CuCl

Explain with reasoning which of the following pars will show the greater covalent nature
  1. NaCl and NaI
  2. NaCl and CuCl

Grade:12th pass

1 Answers

somi teez
105 Points
4 years ago
hi,
Cu has a pseudo noble gas configuration , Cu 2+ has more polarizing power than Na +
and anionic part is same so CuCl has more covalent nature than NaCl
 Secondly,
  in accordance with the Fajan's rule which  states that Covalence of an ionic compound increases in the given conditions:
1.cation should be small in size.
2.anion should be large in size
here,
cationic part is same and size of I  > Cl
so,
NaI  > NaCl
approve if you get right answer
 

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