Moissan boron is - Vidyadip

MCQ

Moissan boron is

A
Amorphous boron of ultra purity
B
Crystalline boron of ultra purity
✓
Amorphous boron of low purity
D
Crystalline boron of low purity

✓

Answer

Correct option: C.

Amorphous boron of low purity

c
(c) Moissan boron is amorphous boron, obtained by reduction of ${B_2}{O_3}$ with $Na$ or $Mg$. It has $95-98\%$ boron and is black in colour.

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