Advertisements
Advertisements
प्रश्न
Aluminium is extracted from its chief ore, bauxite. The ore is first purified and then the metal is extracted from it by electrolytic reduction.
Write three balanced equations for the purification of bauxite.
टीपा लिहा
Advertisements
उत्तर
Balanced equations for the purification of bauxite:
\[\ce{Al2O3.2H2O + 2NaOH -> 2NaAlO2 + 3H2O}\]
\[\ce{NaAlO2 + 2H2O -> NaOH + Al(OH)3 ↓}\]
\[\ce{2Al(OH)3 ->[heat][1000^\circ C]Al2O3 + 3H2O}\]
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
