Aluminium forms AlF_(6)^(3-)but borondoes not form BF_(6)^(3-).Why so

1.	Aluminium forms AlF_(6)^(3-)but borondoes not form BF_(6)^(3-).Why so ?
Answer» <html><body><p></p>Solution :Al, on the <a href="https://interviewquestions.tuteehub.com/tag/otherhand-2901615" style="font-weight:bold;" target="_blank" title="Click to know more about OTHERHAND">OTHERHAND</a>,<a href="https://interviewquestions.tuteehub.com/tag/due-433472" style="font-weight:bold;" target="_blank" title="Click to know more about DUE">DUE</a> to the persence ofd-orbitals canexlendits valency <a href="https://interviewquestions.tuteehub.com/tag/upto-1440527" style="font-weight:bold;" target="_blank" title="Click to know more about UPTO">UPTO</a> a maximum of 6 andforms `AlF_(6)^(3-)`.</body></html>

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