Chemistry, asked by satwikmohanty1989, 11 months ago

Write the reaction taking place in leaching of aluminum from bauxite ore

Answers

Answered by harshita19pandey

1

Answer:

In this process the ground bauxite is leached with caustic soda (NaOH) to produce soluble sodium aluminate (NaAlO2), leaving the impurities in the insoluble residue. The aluminate solution is then decomposed producing Al(OH)3 which is calcined to produce Al2O3.

NaOH + NaAlO2 -----> Al(OH)3 + Al2O3

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