Question
Thu September 19, 2013 By: Shubhashri Chavan

WHICH OF THE SPECIES IS NOT FORMED BY BORON ? 1. BF3 2. BCL3NH3 3. B2H6 4. BF6 3-

Expert Reply
Vaibhav Chavan
Fri September 20, 2013
Boron is unable to form BF63-  ion due to non-availability of d orbitals.As a result boron is unable to expand its octet.Therefore,the maximum covalence of boron cannot exceed 4.
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