Related Questions

Diaphragm electrolytic cell as compared to mercury electrolytic cell
A Produces 70% NaOH solution
B Requires less specific power consumption for the production of chlorine
C Requires lesser investment for similar capacity
D All of the above
Mercury electrolytic cells are preferred over diaphragm electrolytic cell (for production of caustic soda), as it
A Has larger production capacity per unit cell
B Consumes less power per ton of Cl2 produced
C Produces high purity (70%) caustic soda directly
D All of the above
Chlorine gas is produced by the electrolysis of brine (NaCl solution with solid NaCl make up) in mercury electrolytic cell. Which of the following is the anodic reaction?
A Oxidation of Na+ ions
B Oxidation of Cl- ions
C Reduction of Na+ ions
D Reduction of Cl- ions
Which of the following is the most adverse factor challenging the choice of mercury electrolytic cell process for the production of caustic soda?
A High cost of mercury
B High specific gravity of mercury
C Non-availability of high purity mercury
D Pollution of water stream by mercury
Concentration of NaOH solution produced by mercury electrolytic cell is about __________ percent.
A 10
B 25
C 50
D 98
Concentration of NaOH solution produced by diaphragm electrolytic cell is about __________ percent.
A 10
B 25
C 50
D 98
What products do we get on electrolysis of saturated brine using steel cathode and graphite anode in an electrolytic cell?
A Cl2 & Na
B Cl2 & H2
C O2 & H2
D Cl2, H2 & NaOH solution
Zone refining is used for the purification of
A Au
B Ge
C Ag
D Cu
In petroleum refining, the process used for conversion of hydrocarbons to aromatics is
A Catalytic cracking
B Catalytic reforming
C Hydrotreating
D Alkylation
An electrolytic capacitor can be used for
A D.C. only
B AC. only
C both D.as well as A.C.
D none of the above

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