Question:
The role(s) of fluorspar in the electrolytic reduction of Al2O3 is/are to
The role(s) of fluorspar in the electrolytic reduction of Al2O3 is/are to
Updated On: Oct 1, 2024
- decrease the melting point of Al2O3
- improve the electrical conductivity of the melt
- prevent the corrosion of anode
- prevent the radiation loss of heat
Hide Solution
Verified By Collegedunia
The Correct Option is A, B
Solution and Explanation
The correct options are: A and B
Was this answer helpful?
0
0
Top Questions on Extractions of Metals
Questions Asked in IIT JAM CY exam
- The bond length of CO is 113 pm and its dipole moment (πβ) is 0.1 D. The charge (in units of electronic charge) on carbon in the CO molecule including its sign is (rounded off to three decimal places)
[Given: charge of electron = 1.602Γ10β19 C; 1 D=3.336 Γ 10β30 Cm]- IIT JAM CY - 2024
- Chemical bonding and molecular structure
- A pair of isosteric compounds is
- IIT JAM CY - 2024
- Molecular structure and Chemical bonding
- A reaction of 10.50 g of 1,2-diphenylethane-1,2-dione with conc. NaOH followed by aqueous acidic work-up furnished 8.55 g of a carboxylic acid. The yield of the carboxylic acid in this reaction is _______ %.
(rounded off to the nearest integer)- IIT JAM CY - 2024
- Reaction Mechanisms & Synthesis
- If 1 M of a dye in water transmits 50% of incident light at 400 nm, then 2 M of the dye in water transmits _______ % of the incident light at 400 nm. (rounded off to the nearest integer)
[Given: Both experiments are performed in the same spectrophotometric cell.]- IIT JAM CY - 2024
- Spectroscopy
- A salt QCl of a certain metal Q is electrolyzed to its elements. 40 g of metal Q is formed at an electrode. The volume of Cl2 formed at the other electrode at 1 atm pressure and 298 K is _______ litres. (rounded off to one decimal place)
[Given: The gas constant π = 0.082 L atm molβ1 Kβ1 , the molar mass of Q is 40 g molβ1 and Cl2 is assumed to be an ideal gas]- IIT JAM CY - 2024
- Electrochemistry
View More Questions