HARDMCQ SINGLENEET ChemistryInorganic ChemistryMetallurgyAchiever Section Boron can be obtained by various methods but not by:
A.thermal decomposition of B₂H₆
B.pyrolysis of BI₃ (van Arkel)
C.reducing BCl₃ with H₂
D.electrolysis of fused BCl₃✓ Correct
Explanation
Red hot w 3 2 or Ta filament 2BCl +2H 2B+6HCl → Red hot wor Ta 3 2 filament van Arkel 2BI 2B+3I → Δ 2 6 2 B H 2B+3H →
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