Amorphous boron is extracted from borax by following steps: Borax ( A ) H _ 3 BO _ 3 Heat…
Chemistry · JEE Advanced · NTA Exams — p-Block Elements
Amorphous boron is extracted from borax by following steps:
\(\text { Borax } \xrightarrow{(\mathrm{A})} \mathrm{H}_{3} \mathrm{BO}_{3} \xrightarrow{\text { Heat }} \mathrm{B}_{2} \mathrm{O}_{3} \xrightarrow{(\mathrm{~B})} \text { Boron. }\)
(A) and (B) are:
\(\text { Borax } \xrightarrow{(\mathrm{A})} \mathrm{H}_{3} \mathrm{BO}_{3} \xrightarrow{\text { Heat }} \mathrm{B}_{2} \mathrm{O}_{3} \xrightarrow{(\mathrm{~B})} \text { Boron. }\)
(A) and (B) are:
- H2SO4, Al
- HCl, carbon
- H2SO4, Mg
- HCl, Fe
Answer
(C) H 2 SO 4 , Mg
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