Related Questions

তড়িৎ রাসায়নিক কোষের emf = ?i. E° Anode(ox) + E°Cathode (Red) 11. E Cathode(Red) - E°Anode (Red) 111. E° Anode(ox) - E°Cathode (Red) নিচের কোনটি সঠিক?
A i ও ii
B i ও iii
C ii ও iii
D i, ii ও iii
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
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
In mercury arc rectifiers having grid, the arc can be struck between anode and cathode only when the grid attains a certain potential, this potential being known as
A maximum grid voltage
B critical grid voltage
C any of the above
D none of the above
In a grid control of mercury arc rectifiers when the grid is made positive relative to cathode, then it the electrons on their may to anode.
A accelerates
B decelerates
C any of the above
D none of the above
Mercury cells for caustic soda manufacture, compared to diaphragm cells
A Require lower initial investment
B Require more power
C Produce lower concentration NaOH
D None of these
If cathode and anode connections in a mercury arc rectifier are inter changed
A The rectifier will not operate
B Internal losses will be reduced
C Both ion and electron streams will move in the same direction
D The rectifier will operate at reduced efficiency
The voltage drop between the anode and cathode, of a mercury arc rectifier comprises of the following
A anode drop and cathode drop
B anode drop and arc drop
C cathode drop and arc drop
D anode drop, cathode drop and arc drop
In a mercury arc rectifier______ flow from anode to cathode
A ions
B electrons
C ions and electrons
D any of the above
Evaporators used in caustic soda recovery and production plant are made of
A Monel metal
B Gun metal
C Wood metal
D Babbit metal

Next steps