p-Block elementsHard

Question

Select the incorrect statement about the boron.

Options

A.Pure form of the elements are obtained by the reduction of BCl3 with zinc at 900oC.
B.Crystalline boron is attacked only by hot concentrated oxidising agents.
C.Amorphous boron and ammonia at white heat gives (BN)x, a slippery white solid with a layer structure resembling that of graphite.
D.Boron does form B3+ cation easily.

Solution

Due to small size of boron, the sum of its first three ionization enthalpies is very high. This prevents it to form +3 ions.

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