Q51.In Hall-Heroult process, the following is used for reducing Al2 O3 :- (1) Magnesium (2) Na3 AlF6 (3) Graphite (4) CaF2
What This Question Tests
This question tests factual knowledge about the Hall-Heroult process for aluminium extraction, specifically identifying the material used as a reducing agent.
Concepts Tested
📚 NCERT Sections This Tests
2.1 — Arrange The Following Metals In The Order In Which They Displace Each Other
Chemistry Class 11 · Chapter 2
2.1 Arrange the following metals in the order in which they displace each other from the solution of their salts. Al, Cu, Fe, Mg and Zn.
2.2 — Given The Standard Electrode Potentials,
Chemistry Class 11 · Chapter 2
2.2 Given the standard electrode potentials, K+/K = –2.93V, Ag+/Ag = 0.80V, Hg2+/Hg = 0.79V Mg2+/Mg = –2.37 V, Cr3+/Cr = – 0.74V Arrange these metals in their increasing order of reducing power.
5.16 — Draw Figure To Show The Splitting Of D Orbitals In An Octahedral Crystal Field.
Chemistry Class 11 · Chapter 5
5.16 Draw figure to show the splitting of d orbitals in an octahedral crystal field.
📋 Question Details
- Chapter
- Metallurgy
- Topic
- Extraction of Aluminium (Hall-Heroult process)
- Year
- 2023
- Shift
- 08 Apr Shift 2
- Q Number
- Q51
- Type
- MCQ
- NCERT Ref
- Class 12 Chemistry Ch 6: General Principles and Processes of Isolation of Elements
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