Advertisements
Advertisements
प्रश्न
Answer the following questions with reference to the electrorefining of copper:
Write the reaction taking place at the cathode.
Advertisements
उत्तर
Reaction at cathode
\[\ce{Cu^{2+} + 2e^{-} -> Cu(s)}\]
APPEARS IN
संबंधित प्रश्न
Name one method for the refining of metals.
How are metals refined by the electrolytic process? Describe the electrolytic refining of copper with the help of a neat labelled diagram.
Explain how the following metals are obtained from their compounds by the reduction process:
(i) Metal M which is in the middle of the reactivity series.
(ii) Metal N which is high up in the reactivity series.
Give one example of each type
Draw a neat labelled diagram.
Magnetic separation method.
Which of the following process to be carried out to avoid the
formation of greenish layer on brass vessels due to corrosion?
Name one metal each occurring as :
A sulphine
Name one metal each occurring as :
An oxide
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
An electrolytic cell consists of
- positively charged cathode
- negatively charged anode
- positively charged anode
- negatively charged cathode
During electrolytic refining of zinc, it gets
