English
Karnataka Board PUCPUC Science 2nd PUC Class 12

Electrolytic refining is used to purify which of the following metals?

Advertisements
Advertisements

Question

Electrolytic refining is used to purify which of the following metals?

Options

  • \[\ce{Cu and Zn}\]

  • \[\ce{Ge and Si}\]

  • \[\ce{Zr and Ti}\]

  • \[\ce{Zn and Hg}\]

MCQ
Advertisements

Solution

\[\ce{Cu and Zn}\]

Explanation:

Copper and zinc are two metals which are generally purified by using electrolyte refining. In this process, impure metal is used as anode and pure metal is used as a cathode. Impurities from the blister copper or impure zinc deposit as anode mud.

shaalaa.com
  Is there an error in this question or solution?
Chapter 6: General Principle and Processes of Isolation of Elements - Multiple Choice Questions (Type - I) [Page 78]

APPEARS IN

NCERT Exemplar Chemistry Exemplar [English] Class 12
Chapter 6 General Principle and Processes of Isolation of Elements
Multiple Choice Questions (Type - I) | Q 9 | Page 78

RELATED QUESTIONS

Name the method of refining of metals such as Germanium.


Explain column chromatography.


Name the common elements present in the anode mud in electrolytic refining of copper. Why are they so present?


What criterion is followed for the selection of the stationary phase in chromatography?


Outline the principles of refining of metals by the following method:

Vapour phase refining


Outline the principles behind the refining of metals by the following methods:

Chromatographic method


Write down the reaction taking place in blast furnace related to the metallurgy of iron in the temperature rnge 500 K – 800 K. What is the role of limestone in the metallurgy of iron? 


What happens when NaCN is added in an ore containing PbS and ZnS during concentration by froth floatation method? 


Zone refining is based on the principle that ______.


Write two basic requirements for refining of a metal by Mond process and by Van Arkel Method.


Match the items of Column I with the items of Column II and assign the correct code:

Column I Column II
(A) Coloured bands (1) Zone refining
(B) Impure metal to volatile complex (2) Fractional distillation
(C) Purification of Ge and Si (3) Mond Process
(D) Purification of mercury (4) Chromatography
  (5) Liquation

Assertion: Zirconium can be purificed by Van Arkel method.

Reason: ZrI4 is volatile and decomposes at 1800 K.


Assertion: Zone refining method is very useful for producing semiconductors.

Reason: Semiconductors are of high purity.


Electrolytic reduction method is used for the extraction of ______.


Describe a method for refining nickel.


Describe a method for refining nickel.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×