Advertisements
Advertisements
प्रश्न
Identify the terms for the following:
The electrode where reduction takes place.
उत्तर
Cathode
Explanation:
The cathode is a negatively charged electrode in the electrolytic process where reduction takes place. This electrode is rich in electrons therefore it helps cation to gain electrons and undergo a reduction reaction.
APPEARS IN
संबंधित प्रश्न
How are metals refined by the electrolytic process? Describe the electrolytic refining of copper with the help of a neat labelled diagram.
Draw a neat labelled diagram.
Magnetic separation method.
Draw a neat labelled diagram.
Electrolytic reduction of alumina.
Electrolysis is used to obtain pure metal from impure metal.
Bauxite is mixed with cryolite so as to
(i) reduce its melting point
(ii) increase its electrical conductivity
(iii) molten cryolite acts as a solvent
(iv) increase its melting point
In the electrolytic refining of copper, the electrolyte used is:
Metals are refined by using different methods. Which of the following metals are refined by electrolytic refining?
(i) Au
(ii) Cu
(iii) Na
(iv) K
During electrolytic refining of zinc, it gets
Answer the following question with reference to the electrorefining of copper:
What do you observe at the cathode?
Answer the following questions with reference to the electrorefining of copper:
Write the reaction taking place at the cathode.