Chemical Bonding - Result Question 121

20. Between $Na^{+}$ and $Ag^{+}$ , which is stronger Lewis acid and why?

(1997, 3M)

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Solution:

  1. $Ag^ {+}$ is stronger Lewis acid because it can easily accommodate lone pair of electrons from Lewis base. On the other hand, $Na^ {+}$ has noble gas configuration, cannot accept lone pair of electron, not at all a Lewis acid.