3.C] What is electroplating? Explain the electroplating of chromium Answer:- Electroplating is the process in which base metal is uniformly coated with suitable metal by electrodeposition. Electroplating of chromium is…
3.B] Explain: (i) Differential metal corrosion & (ii) Water-line corrosion Answer:- (i) Differential metal corrosion “The corrosion of metals when two dissimilar metals are in contact with each other in…
3.A] Define metallic corrosion? Describe the electrochemical theory of corrosion taking iron as an example. Answer:- According to this theory corrosion of the metals takes place through the formation of…
2.C] For the cell, Fe/Fe2+ (0.01M)//Ag+ (0.1M)/Ag write the cell reaction and calculate the emf of the cell at 298K, if standard electrode potentials of Fe and Ag electrodes are…
2.B] Explain construction and working of glass electrode. Answer: construction and working of glass electrode: Glass electrode is pH sensitive electrode which can selectively detect and measures H+ ions in…
2.A] Distinguish between primary, secondary and reserve batteries. Answer: Classification of Batteries: Batteries are classified as primary (non-rechargeable), secondary (rechargeable) and reserve (inactive until activated) Differences are given below:
2.A] Distinguish between primary, secondary and reserve batteries. Answer: Classification of Batteries: Batteries are classified as primary (non-rechargeable), secondary (rechargeable) and reserve (inactive until activated) Differences are given below:
1.C] Explain the construction and working of Li-ion battery, mention its applications. Answer: Construction: Lithium metal is an attractive anode material because of its lightweight, high voltage, very low electrode…
1. B] Describe the construction and working of calomel electrode Answer: CALOMEL ELECTRODE: Construction: Calomel Electrode is a Secondary Reference electrode. It consists of a drop of mercury at the…
1. A] Define Single Electrode Potential. Derive Nernst equation for single electrode potential. Answer: SINGLE ELECTRODE POTENTIAL: “Single electrode potential is defined as the potential generated when the metal is…
