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Question: Answered & Verified by Expert
Which one of these explains why Boron is unable to form BF₆³⁻ ion?
Chemistryp Block Elements (Group 15, 16, 17 & 18)NEET
Options:
  • A Boron lacks the required number of valence electrons for the formation of BF₆³⁻ ion.
  • B Boron does not have the appropriate atomic size to accommodate six fluorine atoms around it.
  • C The electronegativity difference between boron and fluorine is too large for the formation of BF₆³⁻ ion.
  • D Boron is not a halogen and therefore cannot form complex ions like BF₆³⁻.
Solution:
1097 Upvotes Verified Answer
The correct answer is: The electronegativity difference between boron and fluorine is too large for the formation of BF₆³⁻ ion.
Correct Option is : (C)
The electronegativity difference between boron and fluorine is too large for the formation of BF₆³⁻ ion.

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