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Question: Answered & Verified by Expert
Boron does not form B3+ ion because
Chemistryp Block Elements (Group 13 & 14)NEET
Options:
  • A it has small size and high ionization energy
  • B it has high electronegativity
  • C it has high charge density (charge/radius ratio)
  • D none of the above
Solution:
1427 Upvotes Verified Answer
The correct answer is: it has small size and high ionization energy
The total energy to produce a B3+ ion (or the sum of the first three ionization energies) is too large to be compensated by lattice energies (in case of solids) or by hydration energies (in aqueous solution).

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