P-Block Elements Ques 222
Question: Boron of highest purity (~99.9%)is obtained by
Options:
A) Reduction of $ B_2O_3 $ by mg.
B) Electrolysis of fused tetrafluoroborates ( $ KBF_4 $ ) in molten KF.
C) Reduction of $ BCl_3 $ with $ H_2 $ at 1270 K.
D) thermal decomposition of boranes at 1173 K.
Show Answer
Answer:
Correct Answer: C
Solution:
Boron of maximum purity (~ 99.9%) is obtained by the reduction of $ BCl_3 $ with $ H_2 $ at 1270 K.