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)
In the Hoop’s process for refining of aluminum, the fused materials...
In the Hoop’s process for refining of aluminum, the fused materials form three different layers and they remain separated during electrolysis also. This is because
Options
- AThere is special arrangement in the cell to keep the layers separate
- BThe three layers have different densities
- CThe three layers are maintained at different temperatures.
- DThe upper layer is kept attracted by the cathode and the lower layer is kept attracted by the anode.
Correct answer
B. The three layers have different densities
Step-by-step solution
In the Hoop’s process for refining of aluminum, the fused materials form three different layers and they remain separated during electrolysis also. This is because the three layers have different densities