Question

Moissan boron is
(a) amorphous boron of ultra purity
(b) crystalline boron of ultra purity
(c) amorphous boron of low purity
(d) crystalline boron of low purity

Answer 1

Option B is the correct answer
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Answer 2

Explanation:

Moissan boron is defined as the amorphous boron of low purity. The color of this compound is generally black in color and it is present in 95-98% pure form.

Moissan boron is formed with the reduction of boric anhydride. The impure part or the impurities present in the compound are in the form of sodium particle.