NTA Abhyas 2020
- Exam
- NTA Abhyas
- Year
- 2020
- Subject
- Chemistry
- Chapter
- p Block Elements (Group 13 & 14)
NTA Abhyas 2020 · Chemistry · p Block Elements (Group 13 & 14)
Which is best method for leaching of bauxite ore of aluminium,&...
Which is best method for leaching of bauxite ore of aluminium,& containing impurities of iron oxide?
Options
- AElectrolytic reduction
- BHalt and Heroult process
- CBaeyer's process
- DSerpeck's process
Correct answer
C. Baeyer's process
Step-by-step solution
For the leaching of red bauxite which contains iron oxide as impurity Baeyer's process is used. For the purification of white bauxite which contains silica as the main impurity Serpeck's process is used.