Boron of highest purity `(~99.9%)` is obtained by
Boron of highest purity `(~99.9%)` is obtained by
A. reduction of `B_(2)O_(2)` 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`.
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Correct Answer - C
Boron of maximum purity `(~99.9%)` is obtained by the reduction of `BCl_(3)` with `H_(2)` at `1270 K`.
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