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In the Castner's process for the extrati...

In the Castner's process for the extration of sodium, the anode is made of …... metal

A

Copper

B

Iron

C

Sodium

D

Nickel

Text Solution

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The correct Answer is:
C
In castner process, anode is made of `Na` metal.
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Sodium metal can be extracted by either Castner's Process or Down's process Castner's process. Electrolyte to fused NaOH Cathode and anode are made up of a steel rod and Ni cylinder respectively the reaction takes place as follows : At cathode Na^(+)+e^(-)toNa At anode OH^(-)to(1)/(2)H_(2)O+(1)/(4)O_(2)uarr+e^(-) Down's process : Electrolyte to fused NaCl and CaCl_(2) Cathode and anode are ring shaped iron metal and graphite respectively. The reaction takes place as follows : Na^(+)+e^(-)toNa Cl^(-)to(1)/(2)Cl_(2)uarr+e^(-) In Castner's process some sodium metal us lost due to

Sodium metal can be extracted by either Castner's Process or Down's process Castner's process. Electrolyte to fused NaOH Cathode and anode are made up of a steel rod and Ni cylinder respectively the reaction takes place as follows : At cathode Na^(+)+e^(-)toNa At anode OH^(-)to(1)/(2)H_(2)O+(1)/(4)O_(2)uarr+e^(-) Down's process : Electrolyte to fused NaCl and CaCl_(2) Cathode and anode are ring shaped iron metal and graphite respectively. The reaction takes place as follows : Na^(+)+e^(-)toNa Cl^(-)to(1)/(2)Cl_(2)uarr+e^(-) Instead of graphite, nickel anode can't be used in Down's process because

Sodium metal can be extracted by either Castner's Process or Down's process Castner's process. Electrolyte to fused NaOH Cathode and anode are made up of a steel rod and Ni cylinder respectively the reaction takes place as follows : At cathode Na^(+)+e^(-)toNa At anode OH^(-)to(1)/(2)H_(2)O+(1)/(4)O_(2)uarr+e^(-) Down's process : Electrolyte to fused NaCl and CaCl_(2) Cathode and anode are ring shaped iron metal and graphite respectively. The reaction takes place as follows : Na^(+)+e^(-)toNa Cl^(-)to(1)/(2)Cl_(2)uarr+e^(-) CaCl_(2) is used along with NaCl due to

A2Z-S BLOCK ELEMENTS ( GROUP 13 - 14)-Compound Of Alkali Metals
  1. In which of the following precesses, fused sodium hydroxide is electro...

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  2. Which of the following is neither deliquescent nor efflorscent and is ...

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  3. In the Castner's process for the extration of sodium, the anode is mad...

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  4. In Down's cell (for production of sodium), graphite anode is used beca...

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  5. At higher temperature sodium metal reacts with alumina to give a sodiu...

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  6. Sodium carbonate can be manufactured by Solvay's process but potassium...

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  7. What products are formed during the electrolysis of a of a concentrat...

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  8. Causticisation process is used for the preparation of

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  9. When NaOH crystals are left in open air, they acquire a fluid layer ar...

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  10. Which of the following is true ?

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  11. Based on lattice energy and other considerations, which one of the fol...

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  12. When washing soda is heated.

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  13. A metal M reacts with N(2) to give a compound 'A'(M(3)N). 'A' on heati...

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  14. When CO is heated with NaOH under pressure, we get

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  15. Which one of the following salts gives aqueous solution which is weakl...

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  16. When dry ammonia gas is passed over heated sodium (out of contact of a...

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  17. Sodium carbonate is prepared by :

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  18. Certain characteristics lithium differ from those of other alkali meta...

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  19. A solid compound 'X' on heating gives CO(2) gas and a residue. The res...

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  20. On commercial scale, sodium hydroxide is prepared by :

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