Q. 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
Explanation
(c)
Moissan boron is amorphous boron. It has 95-98% boron and is black in colour. It is prepared by reduction of $B_{2}O_{3}$ with Na or Mg.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.