Boron can be obtained by various methods but not by :
CHEMISTRY · Single correct · CBSE · Chemistry · Metals and Non-metals · Metals and Non-metals
Problem
Boron can be obtained by various methods but not by :
(1) thermal decomposition of B2H6
(2) pyrolysis of BI3 (van Arkel)
(3) reducing BCl3 with H2
(4) electrolysis of fused BCl3