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.



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