q how can we obtain boronboron is- obtained by, Chemistry

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q how can we obtain boronboron is- obtained by

Q. How can we obtain Boron?

Boron is- obtained by the red-action of B₂O₃ with magnesium or sodium B₂0₃ is first prepared by strongly katingH₃B0₃ which is obtained by the action of HCI or H₂S0₄ - on a concentrated solution of borax:

NA₂B₄O₇ + 2HCl + 5H₂O------------------> 4H₃BO₃+ 2NaCl

2H₃BO₃---------------------------------> B₂O₃+ 3H₂O

B₂O₃+ 3Mg------------------------------> 2B + 3MgO

Pure crystalline boron may be obtained in small quantities by the reduction of BBr₃, with H₂ on a heated tantalum metal filament at 1275-1475 K.

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