Electrochemistry Class 12 One Shot | CBSE NEET JEE | Chapter 3

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Timestamps:
0:00 Introduction
0:51 Electrochemistry
9:21 Electrochemistry Basics
15:27 Oxidation Reduction:MemoryTip
16:29 Electrochemical cell
16:58 Daniell Cell
32:54 Galvanic or Voltaic Cell
33:49 Galvanic Cell:Redox Couples
36:32 Standard Electrode Potential
41:36 Cell potential/ Cell Electromotive Force
43:55 Galvanic Cell:Representation
51:56 Electrode Potential of Half cell
53:34 Standard Hydrogen Electrode (SHE)
57:00 Measure Electrode Potential of Zn:SHE
1:04:41 Measure Electrode Potential of Cu:SHE
1:07:03 Standard Electrode Potential:Importance
1:07:21 Nernst Equation
1:16:36 Nernst Equation:Application
1:17:01 Nernst Equation:Find cell EMF
1:19:24 Nernst Equation:Equilibrium Constant
1:25:17 Nernst Equation:Gibbs Free Energy
1:29:14 Problem 1.
1:38:08 Problem 2.
1:41:45 Problem 3.
1:47:00 Conductance of Electrolytic Solution
1:49:48 Conductors,Semiconductors & Insulators
1:50:31 Metallic Conductance
1:53:32 Electrolytic Conductance
1:56:29 Electrolytic & Metallic Conductance
1:57:22 Conductivity of Ionic Solution
1:58:53 Conductivity Cell
2:01:05 Molar Conductivity of Ionic Solution
2:04:56 Conductivity:Problem
2:07:59 Variation of Conductivity & Molar Conductivity
2:09:14 Conductivity variation
2:15:23 Molar Conductivity variation
2:20:34 Strong electrolytes:Molar conductivity
2:27:44 Strong electrolytes:Kohlrausch Law
2:29:28 Weak Electrolytes
2:34:09 Problem 1
2:36:13 Problem 2


In this video we will cover:
1.NCERT Class 12 Chemistry Electrochemistry notes
2.NCERT Class 12 Chemistry Electrochemistry solutions
3.Difference between electrochemical and electrolytic cell?
4. Write the Nernst equation and emf of the following cells at 298 K:
(a) Sn(s)|Sn2+(0.050 M)||H+(0.020 M)|H2(g) (1 bar), (b) Pt(s) Pt(s),Br2(l)|Br–(0.010 M)||H+(0.030 M)| H2(g) (1 bar),Pt(s).
5. Using standard electrode potentials, predict if the reaction between following is feasible: Fe3+(aq) and I–(aq)
6. Calculate standard cell potentials of galvanic cell in which following reactions take place:
2Cr(s) + 3Cd2+(aq) → 2Cr3+(aq) + 3Cd .Calculate the ΔrG and equilibrium constant of the reactions.
7. Electrical resistance of a column of 0.05 mol L–1 NaOH solution of diameter 1 cm and length 50 cm is 5.55 × 103 ohm. Calculate its resistivity, conductivity and molar conductivity
8. Calculate Ëm ° for CaCl2 and MgSO4
9. Conductivity of 0.20 M solution of KCl at 298 K is 0.0248 S cm–1. Calculate its molar conductivity.


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