First slide

13th group or boron group

Question

Boron does not form B³⁺ion, due to

Moderate

A

Energy required to form B³⁺ ion is very high which will not be compensated by lattice enthalpies or hydration enthalpies of such ion.
B

Boron is a non-metal.
C

Boron is a metalloid.
D

None of the above.

Solution

As the Boron atom is small in size a large amount of energy is needed to remove 3 electrons from the boron atom. So Boron does not form B³⁺ ion.

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