coldsilver7597 coldsilver7597
  • 02-09-2017
  • Chemistry
contestada

How to tell which ionic bond is stronger bacl2 lif nabr or ki?

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authenticricket
authenticricket authenticricket
  • 02-09-2017
strength of ionic bond is proportional to the product of charges of the cation and anion, and inversely proportional to the sum of radius of the cation and anion.
(q+ × q-) / (r+ + r-)

by comparing the radius of the ions of similar charges, strength of ionic bond: LiF > NaBr > KI

next, comparing BaCl2 and LiF,
the charge of Ba2+ > Li+, however the radius of Ba2+ and Cl- >> Li+ and F-

hence LiF has the strongest ionic bond
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