Advertisements
Advertisements
प्रश्न
An electrolytic cell consists of
- positively charged cathode
- negatively charged anode
- positively charged anode
- negatively charged cathode
विकल्प
(i) and (ii)
(iii) and (iv)
(i) and (iii)
(ii) and (iv)
उत्तर
(iii) and (iv)
Explanation -
In an electrolytic cell, the electrode that is connected to the positive end of a battery is called the anode and the electrode connected to the negative end of the battery is called the cathode.
APPEARS IN
संबंधित प्रश्न
Draw a neat labelled diagram.
Froth floatation method.
Draw a neat labelled diagram.
Hydraulic separation method.
Name one metal each occurring as :
A carbonate
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
Reaction between X and Y, forms compound Z. X loses electron and Y gains electron. Which of the following properties is not shown by Z?
Give the formulae of the stable binary compounds that would be formed by the combination of following pairs of elements.
- Mg and N2
- Li and O2
- Al and Cl2
- K and O2
Identify the terms for the following:
The electrode where reduction takes place.
Answer the following question with reference to the electrorefining of copper:
What is the anode made of?
Answer the following question with reference to the electrorefining of copper:
What do you observe at the cathode?