a
1.
What is
Secondary Battery? Explain the construction and working principle of Zn-Air
battery.
What are reference electrodes? Explain the construction, working and
applications of calomel electrode.
2. What is ion
selective electrode? Explain the determination of pH of an unknown
solution using glass electrode.
What are concentration cells?
Find the value of ‘X’ if the EMF of the cell
Au/Au3+
(0.03M)||Au3+(X)/Au is 0.24 V at 25 0C.
3.
What are fuel
cells? Explain the construction and working of Methanol-Oxygen fuel cell. What are
Lithium ion batteries? Explain the construction and working of Li-ion battery.
4. What is Rust? Explain electrochemical theory of rusting of Iron ? What is
differential aeration corrosion? Write a note on pitting corrosion.
5.
What is
electroplating? Explain electroplating of Chromium. What is metal
coating? Explain Galvanization.
6. What is cathodic protection? Explain sacrificial anode and impressed
current method. What is anodizing? Write a note on anodizing of Aluminum.
7.
Explain the
Electrolessplating of Cu in the manufacture of PCB.
Explain: i) Polarization ii) Throwing power of
electrolyte bath solution.
8. What is throwing power of an electroplating bath ? Explain
8. What is throwing power of an electroplating bath ? Explain