(a)
Interpretation:
The voltaic cell in which the hydrogen electrode serves as the cathode has to be identified.
Concept introduction:
Voltaic cell or Galvanic cell:
The device to produce electricity by using chemical reactions. In these divces are redox chemical reactions are occured.
A voltaic cell converts chemical energy into electrical energy.
It consists of two half cells. Each half cell consists of a metal and a solution of a salt of metal. Two half cells are connected by salt bridge.
The chemical reaction in the half cell is an oxidation reduction (redox)reactions.
For example:
Cell diagram of voltaic or galvanic cell is as follows.
(b)
Interpretation:
The voltaic cell which produces the highest potential and the lowest potential has to be identified.
Concept introduction:
Voltaic cell or Galvanic cell:
The device to produce electricity by using chemical reactions. In these divces are redox chemical reactions are occured.
A voltaic cell converts chemical energy into electrical energy.
It consists of two half cells. Each half cell consists of a metal and a solution of a salt of metal. Two half cells are connected by salt bridge.
The chemical reaction in the half cell is an oxidation reduction (redox)reactions.
For example:
Cell diagram of voltaic or galvanic cell is as follows.
Chemistry & Chemical Reactivity